Table 2 Comparison between non-ampullary–duodenal carcinomas and ampullary–duodenal subset of ampullary carcinomas
Characteristics | Non-ampullary–duodenal carcinoma | Ampullary–duodenal | P-value |
|---|---|---|---|
(n=47) | (n=29) | ||
Mean age (years) | 63 | 60 | 0.38 |
Gender | |||
F | 18 (38%) | 14 (48%) | 0.39 |
M | 29 (62%) | 15 (52%) | |
Overall size (cm) | 3.5 (0.1–8.0) | 4.8 (2.2–8.0) | <0.01 |
Invasive size (cm) | 2.9 (0.1–6.5) | 3.2 (0.2–6.0) | 0.48 |
LN status | |||
Positive | 26 (59%) | 18 (64%) | 0.66 |
Negative | 18 (41%) | 10 (36%) | |
Margin status | 0.74 | ||
Negative | 38 (95%) | 27 (93%) | |
Positive | 2 (5%) | 2 (7%) | |
Perineural invasion | 21 (48%) | 12 (41%) | 0.59 |
Vascular invasion | 34 (76%) | 20 (69%) | 0.53 |
Survival rates | |||
1 year | 86% | 80% | 0.78 |
3 year | 57% | 59% | |
5 year | 57% | 52% | |
