Table 4.
Multivariate analysis of patients with postoperative duodenal adenocarcinoma in Chinese and SEER cohort.
| Variable | Chinese cohort | SEER cohort | ||
|---|---|---|---|---|
| Hazard Ratio (95%CI) | P | Hazard Ratio (95%CI) | P | |
| Race | 0.293 | |||
| Caucasians | — | — | — | — |
| African Americans | — | — | 1.227 (0.888–1.696) | 0.215 |
| Others | — | — | 0.817 (0.503–1.329) | 0.416 |
| Sex | 0.299 | |||
| Male | — | — | — | — |
| Female | 0.733 (0.407–1.320) | 0.301 | 0.889 (0.706–1.118) | 0.313 |
| Age | 0.127 | <0.001 | ||
| ≤58 | — | — | — | — |
| 59–75 | 1.098 (0.571–2.112) | 0.779 | 1.710 (1.296–2.257) | <0.001 |
| ≥75 | 2.013 (0.985–4.115) | 0.55 | 3.101 (2.275–4.227) | <0.001 |
| Tumor grade | 0.110 | 0.040 | ||
| Well | — | — | — | — |
| Moderate | 1.309 (0.898–1.907) | 0.162 | 1.063 (0.634–1.718) | 0.817 |
| Poor | 1.223 (0.773–1.936) | 0.389 | 1.282 (0.759–2.163) | 0.353 |
| Undifferentiation | — | — | 2.488 (1.125–5.500) | 0.024 |
| Size | 0.275 | 0.053 | ||
| ≤2 cm | — | — | — | — |
| 2–4 cm | 0.683 (0.372–1.253) | 0.218 | 1.018 (0.730–1.603) | 0.697 |
| >4 cm | 0.549 (0.225–1.339) | 0.187 | 0.802 (0.533–1.206) | 0.289 |
| T stage | 0.470 | <0.001 | ||
| T1 | — | — | — | — |
| T2 | 0.769 (0.257–2.302) | 0.639 | 2.143 (0.741–6.197) | 0.159 |
| T3 | 1.273 (0.452–3.586) | 0.648 | 3.451 (1.332–8.941) | 0.011 |
| T4 | 1.397 (0.525–3.721) | 0.503 | 4.803 (1.876–12.297) | 0.001 |
| N stage | <0.001 | 0.001 | ||
| N0 | — | — | — | — |
| N1 | 1.392 (0.708–2.734) | 0.337 | 1.378 (1.033–1.837) | 0.029 |
| N2 | 6.306 (2.776–14.321) | <0.001 | 1.834 (1.340–2.510) | <0.001 |
| M stage | 0.007 | <0.001 | ||
| M0 | — | — | — | — |
| M1 | 2.769 (1.279–5.985) | 0.01 | 2.191 (1.490–3.220) | <0.001 |