Non-Cochrane · DTA · PM42573888

Circulating microRNAs: a new era in early detection of oral squamous cell carcinoma (OSCC) - a systematic review and meta-analysis.

Pathan Roshan Mustafa, Subramanian Umadevi, Singh Jugraj, et al. · Journal of the Egyptian National Cancer Institute · 2026 · PubMed · doi:10.1186/s43046-026-00393-4

Findings

45 findings

Population
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Pooled specificity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients
Specificity 0.88 [0.75, 0.95]
GRADE not reported
7 studies
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Negative likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients
NLR 0.13 [0.05, 0.27]
GRADE not reported
7 studies
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Diagnostic odds ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients
DOR 59.69 [14.33, 209.95]
GRADE not reported
7 studies
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Area under the sROC curve
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients
AUC 0.90
GRADE not reported
7 studies
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Positive likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients
PLR 7.25 [3.42, 16.08]
GRADE not reported
7 studies
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Pooled sensitivity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients
Sensitivity 0.89 [0.77, 0.95]
GRADE not reported
7 studies
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Salivary circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Positive likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Saliva
PLR 5.46 [2.25, 12.53]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Salivary circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Pooled sensitivity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Saliva
Sensitivity 0.89 [0.69, 0.97]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Salivary circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Area under the sROC curve
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Saliva
AUC 0.90
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Salivary circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Negative likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Saliva
NLR 0.13 [0.04, 0.39]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Salivary circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Pooled specificity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Saliva
Specificity 0.84 [0.63, 0.93]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Salivary circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Diagnostic odds ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Saliva
DOR 44.60 [7.44, 196.03]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Blood (serum or plasma) circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Area under the sROC curve
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Blood
AUC 0.87
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Blood (serum or plasma) circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Pooled sensitivity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Blood
Sensitivity 0.79 [0.54, 0.91]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Blood (serum or plasma) circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Positive likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Blood
PLR 5.44 [1.71, 21.98]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Blood (serum or plasma) circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Diagnostic odds ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Blood
DOR 21.87 [3.60, 142.08]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Blood (serum or plasma) circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Pooled specificity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Blood
Specificity 0.86 [0.58, 0.96]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Blood (serum or plasma) circulating miRNAsHistopathologically confirmed OSCC status (reference standard)Negative likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Blood
NLR 0.26 [0.11, 0.59]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Single-miRNA assaysHistopathologically confirmed OSCC status (reference standard)Diagnostic odds ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Single miRNA
DOR 15.97 [3.81, 56.96]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Single-miRNA assaysHistopathologically confirmed OSCC status (reference standard)Pooled specificity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Single miRNA
Specificity 0.81 [0.57, 0.93]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Single-miRNA assaysHistopathologically confirmed OSCC status (reference standard)Negative likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Single miRNA
NLR 0.26 [0.14, 0.53]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Single-miRNA assaysHistopathologically confirmed OSCC status (reference standard)Area under the sROC curve
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Single miRNA
AUC ~0.86-0.88
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Single-miRNA assaysHistopathologically confirmed OSCC status (reference standard)Positive likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Single miRNA
PLR 4.05 [1.79, 10.93]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Single-miRNA assaysHistopathologically confirmed OSCC status (reference standard)Pooled sensitivity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Single miRNA
Sensitivity 0.79 [0.63, 0.89]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Multi-miRNA panels (2 to 8 miRNAs)Histopathologically confirmed OSCC status (reference standard)Negative likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Multi-miRNA panel (2 to 8)
NLR 0.09 [0.03, 0.39]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Multi-miRNA panels (2 to 8 miRNAs)Histopathologically confirmed OSCC status (reference standard)Positive likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Multi-miRNA panel (2 to 8)
PLR 7.50 [2.48, 17.67]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Multi-miRNA panels (2 to 8 miRNAs)Histopathologically confirmed OSCC status (reference standard)Pooled sensitivity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Multi-miRNA panel (2 to 8)
Sensitivity 0.92 [0.67, 0.98]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Multi-miRNA panels (2 to 8 miRNAs)Histopathologically confirmed OSCC status (reference standard)Area under the sROC curve
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Multi-miRNA panel (2 to 8)
AUC ~0.94-0.96
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Multi-miRNA panels (2 to 8 miRNAs)Histopathologically confirmed OSCC status (reference standard)Pooled specificity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Multi-miRNA panel (2 to 8)
Specificity 0.88 [0.65, 0.95]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Multi-miRNA panels (2 to 8 miRNAs)Histopathologically confirmed OSCC status (reference standard)Diagnostic odds ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Multi-miRNA panel (2 to 8)
DOR 83.92 [10.54, 407.87]
GRADE not reported
Studies not reported
Patients with OSCC versus healthy controls onlyCirculating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Negative likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs healthy controls only
NLR 0.17 [0.05, 0.53]
GRADE not reported
Studies not reported
Patients with OSCC versus healthy controls onlyCirculating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Positive likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs healthy controls only
PLR 7.34 [2.17, 20.51]
GRADE not reported
Studies not reported
Patients with OSCC versus healthy controls onlyCirculating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Area under the sROC curve
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs healthy controls only
AUC 0.93
GRADE not reported
Studies not reported
Patients with OSCC versus healthy controls onlyCirculating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Diagnostic odds ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs healthy controls only
DOR 45.65 [5.56, 243.09]
GRADE not reported
Studies not reported
Patients with OSCC versus healthy controls onlyCirculating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Pooled sensitivity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs healthy controls only
Sensitivity 0.86 [0.56, 0.95]
GRADE not reported
Studies not reported
Patients with OSCC versus healthy controls onlyCirculating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Pooled specificity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs healthy controls only
Specificity 0.89 [0.65, 0.96]
GRADE not reported
Studies not reported
Patients with OSCC versus OPMD or OLP (with or without healthy controls)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Pooled specificity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs OPMD or OLP (with or without healthy controls)
Specificity 0.79 [0.54, 0.91]
GRADE not reported
Studies not reported
Patients with OSCC versus OPMD or OLP (with or without healthy controls)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Negative likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs OPMD or OLP (with or without healthy controls)
NLR 0.19 [0.07, 0.55]
GRADE not reported
Studies not reported
Patients with OSCC versus OPMD or OLP (with or without healthy controls)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Pooled sensitivity
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs OPMD or OLP (with or without healthy controls)
Sensitivity 0.85 [0.61, 0.94]
GRADE not reported
Studies not reported
Patients with OSCC versus OPMD or OLP (with or without healthy controls)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Area under the sROC curve
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs OPMD or OLP (with or without healthy controls)
AUC 0.89
GRADE not reported
Studies not reported
Patients with OSCC versus OPMD or OLP (with or without healthy controls)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Positive likelihood ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs OPMD or OLP (with or without healthy controls)
PLR 4.07 [1.72, 9.07]
GRADE not reported
Studies not reported
Patients with OSCC versus OPMD or OLP (with or without healthy controls)Circulating miRNAs (saliva, serum or plasma) measured by qRT-PCR or ddPCRHistopathologically confirmed OSCC status (reference standard)Diagnostic odds ratio
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · OSCC vs OPMD or OLP (with or without healthy controls)
DOR 21.74 [3.81, 88.74]
GRADE not reported
Studies not reported
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Study-level covariates (biomarker format, panel size, biofluid) of circulating miRNA testsSingle-miRNA assays / saliva reference categoriesDiagnostic odds ratio (log DOR) moderators
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Biofluid type (saliva, serum or plasma)
Q-test for moderators (QM) 1.254
GRADE not reported
7 studies
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Study-level covariates (biomarker format, panel size, biofluid) of circulating miRNA testsSingle-miRNA assays / saliva reference categoriesDiagnostic odds ratio (log DOR) moderators
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Panel size (number of miRNAs per panel)
log(DOR) meta-regression coefficient 0.113
GRADE not reported
7 studies
Patients with oral squamous cell carcinoma versus controls (healthy volunteers, OPMD or OLP)Study-level covariates (biomarker format, panel size, biofluid) of circulating miRNA testsSingle-miRNA assays / saliva reference categoriesDiagnostic odds ratio (log DOR) moderators
Not applicable (cross-sectional accuracy) · Case-control and cross-sectional studies in OSCC patients · Multi-miRNA panel vs single miRNA assay (biomarker format)
log(DOR) meta-regression coefficient 1.694 [-0.133, 3.521]
GRADE not reported
7 studies

Included primary studies 24

Open in Studies
StudyYearAlso included byOutcomes it informs hereTrial data
Balakittnen 2024
A novel saliva-based miRNA profile to diagnose and predict oral cancer
DOI:10.1038/s41368-023-00273-w
20242 other reviewsnot statednot extracted yet
Balakittnen 2024
A novel saliva-based miRNA profile to diagnose and predict oral cancer.
PMID:38368395
20242 other reviewsnot statednot extracted yet
Garg 2023
Evaluation of Diagnostic Significance of Salivary miRNA-184 and miRNA-21 in Oral Squamous Cell Carcinoma and Oral Potentially Malignant…
PMID:38015343
20232 other reviewsnot statednot extracted yet
Romani 2021
Genome-wide study of salivary miRNAs identifies miR-423-5p as promising diagnostic and prognostic biomarker in oral squamous cell carcinoma.
PMID:33456584
20212 other reviewsnot statednot extracted yet
Tarrad 2023
"Salivary LINC00657 and miRNA-106a as diagnostic biomarkers for oral squamous cell carcinoma, an observational diagnostic study".
PMID:38087258
20232 other reviewsnot statednot extracted yet
Chen 2018
Diagnostic and prognostic value of serum miR-99a expression in oral squamous cell carcinoma.
PMID:30223386
20181 other reviewnot statednot extracted yet
Garg 2023
Evaluation of Diagnostic Significance of Salivary miRNA-184 and miRNA-21 in Oral Squamous Cell Carcinoma and Oral Potentially Malignant…
DOI:10.1007/s12105-023-01600-7
20231 other reviewnot statednot extracted yet
Tarrad 2023
“Salivary LINC00657 and miRNA-106a as diagnostic biomarkers for oral squamous cell carcinoma, an observational diagnostic study”
DOI:10.1186/s12903-023-03726-0
20231 other reviewnot statednot extracted yet
Bagheri Shirvan 2024
Evaluation of Mir-1290 as a Possible Diagnostic Factor in the Serum of Oral Squamous Cell Carcinoma Patients with Qualitative Real-Time…
PMID:39118790
2024this review onlynot statednot extracted yet
Crimi 2020
Droplet Digital PCR Analysis of Liquid Biopsy Samples Unveils the Diagnostic Role of hsa-miR-133a-3p and hsa-miR-375-3p in Oral Cancer.
PMID:33172167
2020this review onlynot statednot extracted yet
El Hefny 2024
The oncogenic potential of salivary microRNA-93 and microRNA-412-3p in oral lichen planus: a case-control study
DOI:10.1038/s41405-024-00278-5
2024this review onlynot statednot extracted yet
El Hefny 2024
The oncogenic potential of salivary microRNA-93 and microRNA-412-3p in oral lichen planus: a case-control study.
PMID:39715775
2024this review onlynot statednot extracted yet
Emami 2020
miR-155, miR-191, and miR-494 as diagnostic biomarkers for oral squamous cell carcinoma and the effects of Avastin on these biomarkers.
PMID:33122459
2020this review onlynot statednot extracted yet
Garajei 2023
Evaluation of the Expression Levels of miR-21-5p and miR-429 Genes in Biopsy Samples from Patients with Oral Squamous Cell Carcinoma.
PMID:37046462
2023this review onlynot statednot extracted yet
Hofmann 2022
Comparison of plasma- and saliva-derived exosomal miRNA profiles reveals diagnostic potential in head and neck cancer.
PMID:36072342
2022this review onlynot statednot extracted yet
Jia 2022
CircPUM1 Knockdown Confers Radiosensitivity in Oral Squamous Cell Carcinoma by Regulating the miR-580/STAT3 Pathway.
PMID:36092922
2022this review onlynot statednot extracted yet
Nagdeve 2025
An electrochemical biosensor for the detection of microRNA-31 as a potential oral cancer biomarker
DOI:10.1186/s13036-025-00492-1
2025this review onlynot statednot extracted yet
Nagdeve 2025
An electrochemical biosensor for the detection of microRNA-31 as a potential oral cancer biomarker.
PMID:40133958
2025this review onlynot statednot extracted yet
Pastorino 2022
Plasma miR-151-3p as a Candidate Diagnostic Biomarker for Head and Neck Cancer: A Cross-sectional Study within the INHANCE Consortium
DOI:10.1158/1055-9965.epi-22-0376
2022this review onlynot statednot extracted yet
Pastorino 2022
Plasma miR-151-3p as a Candidate Diagnostic Biomarker for Head and Neck Cancer: A Cross-sectional Study within the INHANCE Consortium.
PMID:36126276
2022this review onlynot statednot extracted yet
Priya 2021
Site specificity and expression profile of miR-21 in oral squamous cell carcinoma.
PMID:34349427
2021this review onlynot statednot extracted yet
Seyedhoseini 2025
Mir-let-7a Differential Expression in Oral Squamous Cell Carcinoma and Oral Lichen Planus: Insights for Early Diagnostic Biomarker…
PMID:40842903
2025this review onlynot statednot extracted yet
Zheng 2015
The miR-491-3p/mTORC2/FOXO1 regulatory loop modulates chemo-sensitivity in human tongue cancer
DOI:10.18632/oncotarget.3165
2015this review onlynot statednot extracted yet
Zheng 2015
The miR-491-3p/mTORC2/FOXO1 regulatory loop modulates chemo-sensitivity in human tongue cancer.
PMID:25749387
2015this review onlynot statednot extracted yet

Overlap with other reviews

Reviews that include the same primary studies are not independent evidence. Shared counts match studies by PMID, DOI or NCT, and otherwise by author and year (a probable match). Only the non-Cochrane dental reviews have study lists, so overlap with Cochrane reviews is not counted yet.

Review question

ElementPlanned (methods)Found (results)
PopulationPatients with histologically confirmed OSCC; controls were healthy volunteers, OPMD or oral lichen planus patientsOSCC patients and controls (n=17 studies, 7 pooled; sample sizes 16 to 396)
InterventionCirculating miRNAs in saliva, serum, plasma or other body fluid measured by qRT-PCR or ddPCRCirculating miRNA tests in saliva (6 studies), serum (5), plasma (3); 4 tissue studies not pooled
ComparisonHistopathology reference standard; healthy controls or non-malignant oral diseaseHistopathology; healthy controls or OPMD/OLP
OutcomesSensitivity, specificity, PLR, NLR, DOR, AUCPooled sensitivity 0.89, specificity 0.88, PLR 7.25, NLR 0.13, DOR 59.69 (n=7)
Study designsDiagnostic accuracy, case-control, cohort and cross-sectional studies7 diagnostic accuracy studies pooled, 10 observational studies narrative
TimingNot specifiedNot specified