Primary study · included by 2 reviews

St. John et al. 2004

ProbableThe reviews cited this study without a PMID, DOI or NCT, so it is matched by first author and year. Two different studies by the same author in the same year could be merged here.

Included by

Diagnostic Efficacy of Serum Biomarkers for Oral Cancer: An Updated Systematic Review and Meta-Analysis.

Non-Cochrane · DTA · 2026 · cited as St John 2004 · Table 1; Table 2

Outcome this study informs	Pooled effect	Evidence	Certainty
Sensitivity Serum IL-6 (index test) vs Biopsy with histopathology (reference standard)	Sensitivity 0.38 [0.00, 0.97]	2 studies	GRADE not reported

Diagnostic and Prognostic Significance of Chemokines in Head and Neck Cancers: A Systematic Review and Meta-Analysis.

Non-Cochrane · DTA;prognostic · 2026 · cited as St John 2004 · Table 1

The review does not say which of its outcomes this study informs.

2 including reviews in total.