Table 1. Preoperative data in two groups.
| Duct-to-Mucosa (n = 41) | Papillary-like (n = 51) | P value | |
|---|---|---|---|
| Median Age | 56.9 ± 10.8 | 57.7 ± 12.6 | 0.745 |
| Sex (male) | 23 | 26 | 0.625 |
| Median body mass index(BMI) | 22.0 ± 1.0 | 21.7 ± 1.1 | 0.104 |
| Pathological types | 0.464 | ||
| Duodenal tumora | 7 | 14 | |
| Ampullary cancerb | 19 | 19 | |
| Pancreatic neoplasmsc | 15 | 18 |
a: including Duodenal cancer, Gastrointestinal stromal tumor (GIST).
b: including Bile duct cancer, Duodenal papilla cancer, Cancer of Vater ampulla.
c: including Solid pseudopapillary carcinoma, Neuroendocrine tumor, Benign cystadenoma,Pancreatic cyst, Intraductal papillary mucinous neoplasm (IPMN), Pancreatic uncinate process cancer.