Table 2:
Lymphadenectomy characteristics
| Characteristic | SLN Cohort (n=118) | LND Cohort (n=96) | P† |
|---|---|---|---|
| Pelvic LND, n (%) | 0.002 | ||
| No | 3 (2.5%) | 13 (13.5%) | |
| Yes | 115 (97.5%) | 83 (86.5%) | |
| Number of pelvic lymph nodes removed, median (IQR)* | 11 (5, 16) | 30 (26, 41) | <0.001 |
| Positive pelvic lymph nodes, n (%) | 0.52 | ||
| No or pelvic LND not performed | 93 (78.8%) | 79 (82.3%) | |
| Yes | 25 (21.2%) | 17 (17.7%) | |
| Positive pelvic lymph nodes, n (%)* | 0.83 | ||
| No | 90 (78.3%) | 66 (79.5%) | |
| Yes | 25 (21.7%) | 17 (20.5%) | |
| Paraaortic LND, n (%) | <0.001 | ||
| No | 63 (53.4%) | 18 (18.8%) | |
| Yes | 55 (46.6%) | 78 (81.3%) | |
| Number of paraaortic lymph nodes removed, median (IQR)* | 4 (2, 9) | 17 (11, 23) | <0.001 |
| Positive paraaortic lymph nodes, n (%) | 0.34 | ||
| No or paraaortic LND not performed | 109 (92.4%) | 85 (88.5%) | |
| Yes | 9 (7.6%) | 11 (11.5%) | |
| Positive paraaortic lymph nodes, n (%)* | 0.72 | ||
| No | 46 (83.6%) | 67 (85.9%) | |
| Yes | 9 (16.4%) | 11 (14.1%) | |
IQR=interquartile range, LND=lymphadenectomy.
*
Limited to patients with specified lymphadenectomy.
†
Comparisons between groups were evaluated using the chi-square or Fisher’s exact test for categorical variables and the Wilcoxon rank-sum test for the number of nodes.