Table 4.
Univariate and multivariate analyses of factors affecting overall survival
|
Univariate |
Multivariate |
|||
| HR (95%CI) | P value | HR (95%CI) | P value | |
| Age (over 65 years old) | 0.95 | 0.8640 | 0.98 | 0.9460 |
| (0.53-1.73) | (0.48-2.01) | |||
| CEA ≥ 3.85 ng/mL | 1.72 | 0.0827 | 1.49 | 0.2650 |
| (0.93-3.28) | (0.74-3.07) | |||
| CA19-9 ≥ 56.8 U/mL | 2.61 | 0.0030 | 1.98 | 0.0798 |
| (1.38-5.15) | (0.92-4.36) | |||
| Tumor size (> 20 mm) | 1.46 | 0.2420 | 3.27 | 0.0283 |
| (0.78-2.88) | (1.13-10.1) | |||
| Portal vein invasion | 1.88 | 0.0487 | 0.67 | 0.3640 |
| (1.00-3.49) | (0.28-1.59) | |||
| UICC ≥ IIB | 1.57 | 0.1210 | 0.78 | 0.5030 |
| (0.89-2.88) | (0.37-1.62) | |||
| R1/R0 | 2.59 | 0.2590 | 2.29 | 0.3460 |
| (0.41-8.96) | (0.36-9.38) | |||
| Adjuvant chemotherapy | 0.68 | 0.2040 | 0.46 | 0.0312 |
| (0.38-1.24) | (0.23-0.93) | |||
| EUS-FNA | 0.46 | 0.0093 | 0.44 | 0.0365 |
| (0.26-0.83) | (0.20-0.95) | |||
UICC: Pathological stage of the Union Internationale Contre le Cancer; EUS-FNA: Endoscopic-ultrasound-guided fine-needle aspiration.