From: Application of Weibull model for survival of patients with gastric cancer
Characteristics | Cox(AIC = 4534.21) | Weilbull(AIC = 1693.28) |
---|---|---|
 | HR (CI: 95%) | HR (CI: 95%) |
Age | 1.01 (0.98-1.03) | 1.03* (1.01-1.06) |
Past medical history | Â | Â |
   No | 1 | 1 |
   Yes | 1.17* (1.03-1.33) | 1.22* (1.05-1.40) |
Location of tumor | Â | Â |
   Lower third | 1 | 1 |
   Middle third | 0.93 (0.74-1.18) | 0.99 (0.86-1.25) |
   Upper third | 1.47* (1.12-1.93) | 1.35* (1.19-1.53) |
   Whole stomach | 1.45* (1.08-1.93) | 1.47* (1.21-1.75) |
eradicative degree of surgery | Â | Â |
   Utterly | 1 | 1 |
   Relatively | 1.03 (0.77-1.39) | 1.79*(1.64-1.92) |
   Palliative | 2.16*(1.71-2.73) | 4.07*(3.85-4.34) |
Histologic grade | Â | Â |
   Well differentiated | 1 | 1 |
   Moderately differentiated | 1.12*(1.05-1.19) | 1.14*(1.08-1.24) |
   Poorly differentiated | 1.25*(1.18-1.33) | 1.34*(1.17-1.55) |
Depth of invasion | Â | Â |
   T1 | 1 | 1 |
   T2 | 1.97*(1.53-2.54) | 2.40*(2.10-2.53) |
   T3 | 2.19* (1.68-2.86) | 2.77* (2.53-2.96) |
   T4 | 2.50*(1.82-3.44) | 3.15*(3.20-3.99) |
Stage | Â | Â |
   I | 1 | 1 |
   II | 0.97 (0.57-1.63) | 1.15 (0.91-1.42) |
   III | 1.57 (0.97-2.56) | 1.93* (1.66-2.25) |
   IV | 2.06* (1.21-3.51) | 3.03* (2.76-3.80) |