FHL1 and head and neck squamous cell carcinoma: In multivariate COX proportional analyses (Supplementary Table S3), FHL1 mRNA expression status was identified as independent predictors of OS (p = 0.036; HR 0.520; Cl, 0.283–0.958) and DFS (p = 0.041; HR 0.527; Cl, 0.284– 0.975) in HNSCC patients.