| Total patients 311 Total groins 490 | No of groins (no of patients) | Complication per groin (per patient) | % per groin (% per patient) | P value |
| Lymphedema | ||||
| No of nodes removed | ||||
| ≤ 4 nodes | 94 (76) | 16 (13) | 17% (17.1%) | 0.0026† |
| 5 – 8 nodes | 160 (140) | 52 (47) | 32.5% (33.5%) | (0.0003) |
| 9 + nodes | 236 (180) | 87 (78) | 36.9% (43.3%) | |
| Lymphedema | ||||
| Age groups | ||||
| ≤ 50 years | 72 (48) | 19 (18) | 26.4%(37.5%) | 0.217‡ |
| 51 – 70 years | 174(109) | 64 (48) | 36.8% (44%) | (0.707) |
| > 70 years | 244 (154) | 72 (60) | 29.5% (39.1%) | |
| Lymphedema | ||||
| With drain | 323 (193) | 100 (82) | 31% (42.5%) | 0.576‡ |
| Without drain | 167 (118) | 55 (44) | 32.9% (37.3%) | (0.821) |
| Lymphedema | ||||
| Current Smokers | 115 (74) | 38 (31) | 33% (41.2%) | 0.799‡ |
| Past smokers | 72 (43) | 25 (18) | 34.7% (41.8%) | (0.955) |
| Non-smokers | 303 (194) | 93 (77) | 30.7% (39.7%) | |
| Lymphedema | ||||
| BMI < 30 | 359 (224) | 102 (81) | 28.4% (36.1%) | 0.011‡ |
| BMI ≥ 30 | 131 (87) | 53 (46) | 40.5% (52.9%) | (0.015) |