Mean number of lymph nodes removed and proportion of adequate lymph node harvest, by surgical nature
| Factor | Group; mean (SD) or no. [%] | p value | |
|---|---|---|---|
| Elective surgery | Emergency surgery | ||
| No. of nodes | 19.1 (13.3) | 22.0 (13.8) | 0.012 |
| Adequacy of lymph node harvest | 0.79 | ||
| Adequate, ≥ 12 nodes | 928 [83.0] | 135 [83.9] | |
| Inadequate, < 12 nodes | 190 [17.0] | 26 [16.1] | |
SD = standard deviation.