Table 1 Comparison of demographic features and tumor size between lymph node metastases positive versus negative pancreatic ductal adenocarcinoma (155 cases)
Lymph node metastases positive(n = 72) | Lymph node metastases negative(n = 83) | Comparison between two groups | P value | |
|---|---|---|---|---|
Gender(male/female) | 46/26 | 59/24 | Chi-square = 0.614 | 0.433 |
Age(mean ± standard deviation), years | 63.3 ± 9.5 | 64.2 ± 9.8 | t = 0.613 | 0.541 |
Tumor size(Median[quartile 1, quartile 3]), cm | 3.0(2.5, 4.0) | 3.0(2.5, 4.0) | U = 2803 | 0.503 |