Primary study · included by 2 reviews

C-reactive protein is an independent prognostic marker in patients with tongue carcinoma - A retrospective study.

Graupp 2018 · Graupp M, Schaffer K, Wolf A, et al. · Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery · 2018

Included by

Prognostic Significance of the Pretreatment Neutrophil-to-Lymphocyte Ratio and Tumor-Associated Neutrophils in Head and Neck Squamous Cell Carcinoma: Systematic Review and Meta-Analysis.

Non-Cochrane · prognostic · 2026 · cited as Graupp 2018 · Table S3

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

Prognostic Value and Stage/Nodal Correlates of Serum and Salivary CRP, CYFRA 21-1, and SCC-Ag Biomarkers in Oral Squamous Cell Carcinoma: A Systematic Review and Meta-Analysis.

Non-Cochrane · prognostic · 2026 · cited as Graupp 2018 · Table 1; reference 36; Figure 3

Outcome this study informs	Pooled effect	Evidence	Certainty
Overall survival Serum CRP alone, elevated vs Normal serum CRP	HR 1.33 [0.89, 1.99]	5 studies	Very low

2 including reviews in total.