Table 1.
Demographics and perioperative findings of patients in the SLN mapping and PLND groups.
| Mean (range) | |||
| SLN† | PLND‡ | p value (Mann–Whitney)∗ | |
| Age (years) | 55 (31–85) | 59 (30–79) | 0.003 |
|
| |||
| Median (range) | |||
| SLN | PLND | p value∗ | |
| BMI (kg/m2) | 28.3 (14.4–54.0) | 27.1 (16.0–50.0) | 0.185 |
|
| |||
| Number (%) | |||
| SLN (n = 109) | PLND (n = 94) | p value∗∗ | |
| Race | 0.825 | ||
|
| |||
| Chinese | 76 (69.7%) | 68 (72.3%) | |
|
| |||
| Malay | 17 (15.6%) | 16 (17.0%) | |
|
| |||
| Indian | 6 (5.5%) | 3 (3.2%) | |
|
| |||
| Others | 10 (9.2%) | 7 (7.4%) | |
|
| |||
| Median (range) | p value∗ | ||
| Median number of lymph nodes removed | 5 (0–34) | 20 (0–72) | <0.001 |
|
| |||
| Number (%) | |||
| SLN (n = 109) | PLND (n = 94) | p value∗∗∗ | |
| Number of patients with lymph node metastases | 5 (4.6%) | 7 (7.4%) | 0.389 |
|
| |||
| Number of patients upstaged | 16 (14.7%) | 18 (19.1%) | 0.395 |
†SLN = sentinel lymph node mapping group. ‡PLND = pelvic lymph node dissection group. ∗Mann–Whitney U analysis for p value. ∗∗Chi-square analysis for p value. ∗∗∗Fisher's exact test for p value (count <5).