Table 4 Risk factors for DFS at the univariate analysis (n = 47 patients)
Log-rank | COX regression | ||||
|---|---|---|---|---|---|
3-year non-recurrent rate % | P | P | Exp(B) (95% CI) | ||
Age | ≧ 50 years | 46.6 | 0.346 | 0.353 | 0.604(0.208–1.753) |
< 50 years | 50.1 | ||||
Gender | Male | 49.2 | 0.862 | 0.863 | 0.908(0.301–2.743) |
Female | 47.5 | ||||
Tumor function | Functional | 80.0 | 0.197 | 0.226 | 0.280(0.036–2.198) |
Non-functional | 41.6 | ||||
Surgical type | Pancreatico -duodenectomy | 26.3 | 0.031 | 0.055 | 0.481(0.227–1.016) |
Pancreatic body and tail resection | 32.0 | ||||
Local resection | 100 | ||||
Tumor location | Body and tail | 28.3 | 0.693 | 0.422 | 0.824(0.514–1.322) |
Head | 39.7 | ||||
Body | 100 | ||||
Tail | 77.8 | ||||
Tumor size | ≧ 2 cm | 33.5 | 0.078 | 0.274 | 28.199(0.071–11218.74) |
< 2 cm | 100 | ||||
Tumor size | ≧ 4 cm | 38.9 | 0.376 | 0.384 | 1.689(0.518–5.503) |
< 4 cm | 58.5 | ||||
Stage | IA | 100 | 0.008 | 0.007 | 3.081(1.366–6.947) |
IB | 87.5 | ||||
IIA | 64.3 | ||||
IIB | 0 | ||||
Grade | G1 | 75 | 0.029 | 0.061 | 7.011(0.917–53.608) |
G2 | 38.6 | ||||
Ki-67 | ≧ 10% | 19.4 | 0.000 | 0.003 | 7.585(2.018–28.5) |
< 10% | 54.9 | ||||
Ki-67 | ≧ 5% | 38.1 | 0.038 | 0.053 | 3.538(0.986–12.695) |
< 5% | 60.6 | ||||
Lymph nodes status | Positive | 17.0 | 0.210 | 0.221 | 0.516(0.179–1.490) |
Negative | 58.5 | ||||
Vascular invasion | Positive | 15.2 | 0.024 | 0.032 | 0.305(0.103–0.905) |
Negative | 54.1 | ||||
Perineural invasion | Positive | 0 | 0.073 | 0.087 | 0.36(0.112–1.159) |
Negative | 56.6 | ||||
Margin status, n (%) | Positive | 15.6 | 0.029 | 0.039 | 3.057(1.057–8.840) |
Negative | 56.2 | ||||
Localized or regional stage tumors | Regional | 20.0 | 0.007 | 0.018 | 0.165(0.037–0.734) |
Localized | 85.7 | ||||