POU2F1 and neoplasm: Survival analysis using multivariate Cox model adjusted for AJCC stage, tumor location, TNM stage, vascular invasion, and sex and age of characters suggested strong association between OCT1 level and shorter OS (P = 0.013, hazard ratio (HR) = 2.747, 95 % confidence interval (CI) 1.125 to 3.715) and DFS (P = 0.004, HR = 2.756, 95 % CI 1.191 to 4.589) as well (Table 2).