Table 3.
Risk factors predicting survival.
| Mean overall survival, month (95% CI) | p | |
|---|---|---|
| Age | 0.043 | |
| Age >65 years (n = 67) | 59.5 (43.2–75.8) | |
| Age <65 years (n = 52) | 103.4 (77.3–129.4) | |
| Diabetes | 0.143 | |
| Yes (n = 35) | 55.1 (32.6–77.6) | |
| No (n = 84) | 88.0 (68.8–107.3) | |
| Jaundice | 0.989 | |
| Yes (n = 33) | 74.7 (48.9–100.5) | |
| No (n = 86) | 80.6 (61.7–99.4) | |
| Weight loss | 0.388 | |
| Yes (n = 52) | 85.7 (62.3–109.1) | |
| No (n = 65) | 74.1 (53.4–94.8) | |
| Pain | 0.114 | |
| Yes (n = 42) | 64.7 (41.5–87.9) | |
| No (n = 77) | 87.3 (67.0–107.7) | |
| Pos. lymph node status* | <0.001 | |
| Yes (n = 57) | 43.2 (27.0–59.3) | |
| No (n = 58) | 110.7 (87.7–133.7) | |
| Resection margin status | <0.001 | |
| R0 (n = 108) | 81.4 (64.8–97.9) | |
| R1 (n = 8) | 16.6 (5.3–27.9) | |
| Perineural invasion | 0.001 | |
| Yes (n = 30) | 30.0 (17.4–42.5) | |
| No (n = 83) | 87.6 (68.7–106.4) | |
| Lymphangiosis | 0.016 | |
| Yes (n = 39) | 60.7 (37.2–84.1) | |
| No (n = 61) | 94.6 (73.5–115.8) | |
| Adjuvant CTx | 0.243 | |
| Yes (n = 11) | 32.7 (21.2–44.3) | |
| No (n = 108) | 81.9 (65.3–98.5) |
Mean overall survival and the 95% (CI) were analyzed by the Kaplan-Meier method using the log-rank test.