Table 2.
Distribution of demographic and tumor-related factors and univariate survival analysis for 78 PDAC patients
| Total (n = 78) | Median survival (months) | 95% CI | p value (log-rank test) | |
|---|---|---|---|---|
| Demographics | ||||
| Age (%) | 0.69 | |||
| < 65 years | 39 (50%) | 24.8 | 13.9–35.8 | |
| ≥ 65 years | 39 (50%) | 28.5 | 27.5–39.4 | |
| Gender | 0.76 | |||
| male | 35 (45%) | 23.6 | 15.6–31.5 | |
| female | 43 (55%) | 29.2 | 16.8–41.6 | |
| Tumor characteristics | ||||
| Tumor size (cm) (1 case missing) | 0.23 | |||
| <2,0 | 13 (17%) | 43.8 | 9.0–78.6 | |
| ≥2,0 | 64 (83%) | 22.7 | 16.7–28.7 | |
| Histological grade (1 case missing) | 0.81 | |||
| poor | 21 (27%) | 23.8 | 8.5–39.1 | |
| moderate | 40 (52%) | 27.9 | 16.2–39.7 | |
| well | 16 (21%) | 28.7 | 15.7–41.7 | |
| Stage | 0.02a | |||
| I or/IIA | 20 (26%) | 43.1 | 24.2–62.1 | |
| IIB or III | 58 (74%) | 21.0 | 13.4–28.6 | |
| Lymph node status (1 case missing) | 0.07 | |||
| N0 | 23 (43%) | 38.7 | 21–56 | |
| N1 | 54 (57%) | 16.8 | 14–30 | |
| Lymph node ratio (1 case missing) | 0.002a | |||
| <0.2 | 46 (60%) | 34.5 | 22.6–46.4 | |
| ≥0.2 | 31 (40%) | 15.6 | 9.2–22.1 | |
| Resection margin | 0.06 | |||
| R0 | 52 (67%) | 31.6 | 22.6–46.4 | |
| R1 | 26 (33%) | 15.6 | 9.2–22.1 | |
a Significant correlation with survival