Table 4 Multivariate COX regression analysis of overall survival
Variables | P-value | Risk ratio | 95% CI |
|---|---|---|---|
Sex (male, female) | 0.841 | 1.117 | (0.378, 3.299) |
Age (≤ 50, > 50) | 0.795 | 0.995 | (0.954, 1.037) |
Tumor location (tongue, gingiva, buccal mucosa, palate, lower lip, jaw, others) | 0.906 | 1.02 | (0.737, 1.41) |
Tumor size (T1–T4) | 0.656 | 1.231 | (0.492, 3.081) |
Lymph node metastasiss | 0.894 | 1.089 | (0.309, 3.845) |
Clinical stage (I, II, III, IV) | 0.762 | 0.834 | (0.256, 2.712) |
Pathological grade | 0.516 | 0.72 | (0.267, 1.94) |
Local infiltration | 0.676 | 1.313 | (0.367, 4.702) |
α-SMA in tumor stroma (low, high) | 0.62 | 0.735 | (0.217, 2.487) |
LOX in tumor stroma ( low, high) | 0.017 | 13.062 | (1.58, 107.992) |