Table 1 Clinical characteristics of Chinese patients with ampullary carcinoma
| Â | Variable | No. | Ratio/Range |
|---|---|---|---|
Age at diagnosis | Median | Range | |
|  |  | 64 | (35–82) |
Gender | Â | Â | Â |
| Â | Female | 52 | 35.86% |
| Â | Male | 93 | 64.14% |
Stage | Â | Â | Â |
| Â | IA | 14 | 9.66% |
| Â | IB | 15 | 10.34% |
| Â | IIA | 13 | 8.97% |
| Â | IIB | 55 | 37.93% |
| Â | IIIA | 13 | 8.97% |
| Â | IIIB | 15 | 10.34% |
| Â | IV | 20 | 13.79% |
Subtype | Â | Â | Â |
| Â | Intestinal | 97 | 66.90% |
| Â | pancreaticobiliary | 48 | 33.10% |
Family cancer history | Â | Â | |
| Â | Yes | 26 | 17.93% |
| Â | No | 60 | 41.38% |
| Â | Unknown | 59 | 40.69% |