Table 1 General characteristics of non-ampullary–duodenal carcinomas and comparison with both ampullary carcinomas and pancreatic ductal adenocarcinomas
Characteristics | Non-ampullary–duodenal carcinoma | Ampullary carcinoma | Pancreatic ductal adenocarcinoma | P† | P†† |
|---|---|---|---|---|---|
(n=47) | (n=355) | (n=227) | |||
Mean age (years) | 63 | 65 | 65 | 0.28 | 0.3 |
Gender | |||||
F | 18 (38%) | 150 (43%) | 129 (57%) | 0.57 | 0.02 |
M | 29 (62%) | 205 (57%) | 98 (43%) | ||
Overall size (cm) | 3.5 (0.1–8.0) | 2.6 (0.3–9.5) | 3.3 (0.6–7.0) | <0.01 | 0.36 |
Invasive size (cm) | 2.9 (0.1–6.5) | 1.9 (0.1–9.5) | 3.3 (0.6–7.0) | <0.01 | 0.13 |
LN status | |||||
Positive | 26 (59%) | 146 (45%) | 174 (77%) | 0.08 | 0.02 |
Negative | 18 (41%) | 177 (55%) | 53 (23%) | ||
Margin status | |||||
Negative | 38 (95%) | 336 (96%) | 175 (77%) | ||
Positive | 2 (5%) | 15 (4%) | 52 (23%) | 0.83 | <0.01 |
Perineural invasion | 21 (48%) | 122 (34%) | 217 (96%) | 0.08 | <0.01 |
Vascular invasion | 34 (76%) | 225 (63%) | 180 (80%) | 0.11 | 0.54 |
Survival rates | |||||
1 year | 86% | 85% | 65% | 0.75 | <0.001 |
3 year | 57% | 62% | 28% | ||
5 year | 57% | 49% | 18% | ||
