Table 2.
Univariate and multivariate Cox proportional hazard model for disease-free survival
| Variables | Univariate | Multivariate | ||
|---|---|---|---|---|
| HR (95% CI) | p-value | HR (95% CI) | p-value | |
| Age (> 50 years vs ≤ 50 years) | 0.61 (0.31-1.18) | 0.14 | - | - |
| Tumor size (> 2 cm vs ≤ 2 cm) | 1.41 (0.67-2.97) | 0.36 | - | - |
| Lymph node (positive vs negative) | 2.81 (1.37-5.75) | 0.0046 | 2.99 (1.46-6.12) | 0.0028 |
| Ki-67 (≥ 30% vs < 30%) | 1.03 (0.45-2.37) | 0.94 | - | - |
| APA subtype (S vs others) | 2.37 (1.11-5.08) | 0.026 | 2.65 (1.23-5.68) | 0.013 |
Abbrevations: APA: alternative polyadenylation; CI: confidence interval; HR: hazard ratio; S: suppressed.