Fig. 5From: The neuropeptide genes SST, TAC1, HCRT, NPY, and GAL are powerful epigenetic biomarkers in head and neck cancer: a site-specific analysisRisk of recurrence, based on gene methylation in tumors with different origins. Odds ratios for recurrence were determined using a Cox proportional hazards model adjusted for age (≥ 65 versus < 65 years), sex, smoking status, alcohol intake, and stage (I–II versus III–IV). CI: confidence intervalBack to article page