Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,970 questions · 2,433 findings · 231 reviews

No studies found 303 · 12.5%GRADE not reported 759 · 31.2%Very low 357 · 14.7%Low 476 · 19.6%Moderate 418 · 17.2%High 120 · 4.9%

RBD‐specific polyclonal F(ab') 2 fragments of equine antibodies (EpAbs) vs saline placebo

Worsening of clinical status (expressed as new need for IMV, admission to ICU, or death by day 28) · individuals with moderate or severe COVID‐19

RBD‐specific polyclonal F(ab') 2 fragments of equine antibodies… showed no clear difference in worsening of clinical status (expressed as new need for IMV,… compared with saline placebo (low certainty).

1 finding from 1 review

0-19 remaining teeth vs Individuals without functional edentulism

Oral health-related quality of life · Indian elderly

Evidence on functional edentulism and OHRQoL is inconsistent across two studies (very low certainty).

2 findings from 1 review

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Dental caries prevalence and severity · Children and adolescents (<18 years) living with HIV (CLWH)

No significant difference in dental caries/severity between ART regimens (very low certainty).

1 finding from 1 review

Dental caries (carious oral microbiome) vs Caries-free / healthy oral microbiome

Differential microbial abundance / taxa predictive of caries · Individuals providing oral (saliva/supragingival plaque) 16S rRNA microbiome samples; 2016 samples from 19 studies (mixed children and…

A group of genera/species (notably Selenomonas, Aggregatibacter, Actinomyces, Treponema) was predictive of caries, whereas Streptococcus was not (ungraded).

1 finding from 1 review
  • Meta-analysis of caries microbiome studies can improve upon disease prediction outcomes. 2022 All outcomes
    Oral cavity microbiome (saliva and supragingival plaque samples); pooled across 19 international studies
    Mean-decrease-accuracy discriminating taxa: Capnocytophaga HMT-338, Lactobacillus panis, Treponema HMT-230, Bifidobacterium longum, Delftia acidovorans, Staphylococcus schleiferi; higher log2FC in caries: Selenomonas HMT-146, Aggregatibacter actinomycetemcomitans, Actinomyces HMT-896, Treponema HMT-257; Streptococcus not predictive
    19 studies · 2016 participants
    GRADE not reported

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Angular cheilitis prevalence · Children and adolescents (<18 years) living with HIV (CLWH)

No eligible studies compared angular cheilitis between different ART regimens.

1 finding from 1 review

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Recurrent oral ulceration prevalence · Children and adolescents (<18 years) living with HIV (CLWH)

No significant difference in recurrent oral ulceration between ART regimens (very low certainty).

1 finding from 1 review

Dental caries (carious oral microbiome) vs Caries-free / healthy oral microbiome

Discrimination of caries vs health (random forest ROC-AUC) · Individuals providing oral (saliva/supragingival plaque) 16S rRNA microbiome samples; 2016 samples from 19 studies (mixed children and…

Microbiome-based random forest classifiers could not reliably discriminate caries from health across the combined cohort (best AUC approximately 0.75 in a disease-only KO subset; ungraded).

1 finding from 1 review

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Dental development and maturation · Children and adolescents (<18 years) living with HIV (CLWH)

No eligible studies compared dental development and maturation between different ART regimens.

1 finding from 1 review

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Acute necrotising ulcerative periodontitis prevalence · Children and adolescents (<18 years) living with HIV (CLWH)

No significant difference in acute necrotising ulcerative periodontitis between ART regimens (very low certainty).

1 finding from 1 review

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Kaposi's sarcoma prevalence · Children and adolescents (<18 years) living with HIV (CLWH)

No significant difference in kaposi's sarcoma between ART regimens (very low certainty).

1 finding from 1 review

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Linear gingival erythema prevalence · Children and adolescents (<18 years) living with HIV (CLWH)

No significant difference in linear gingival erythema between ART regimens (very low certainty).

1 finding from 1 review

Combined antiretroviral therapy (cART) vs Monotherapy or dual antiretroviral therapy

Chronic herpes simplex infection prevalence · Children and adolescents (<18 years) living with HIV (CLWH)

No significant difference in chronic herpes simplex infection between ART regimens (very low certainty).

1 finding from 1 review

Music therapy vs placebo or usual care

Global improvement · Individuals with autism spectrum disorder

Music therapy probably leads to higher global improvement compared with placebo therapy or standard care (moderate certainty).

1 finding from 1 review

Music therapy vs placebo or usual care

Autism symptom severity Measured by: parent‐reported autism symptoms on standardised autism screening and diagnostic instruments (lower scores indicate less severe autism symptoms) · Individuals with autism spectrum disorder
1 finding from 1 review

Music therapy vs placebo or usual care

Adverse events Any serious or non‐serious adverse event · Individuals with autism spectrum disorder

Music therapy showed no clear difference in adverse events Any serious or non‐serious adverse event compared with placebo therapy or standard care (moderate certainty).

1 finding from 1 review