Factor | Total (n = 72) | No Fistula (n = 25) | Fistula (n = 47) | p-Value |
BMI <25 ≥25 | 30 42 | 12 13 | 18 29 | 0.46 |
BMI <30 ≥30 | 61 11 | 23 2 | 38 9 | 0.30 |
Gender Male Female | 38 34 | 12 13 | 26 21 | 1.00 |
Lymph node metastases ≤1 >1 | 51 21 | 18 7 | 33 14 | 1.00 |
Surgical experience Resident Senior surgeon | 30 42 | 11 14 | 19 28 | 0.80 |
SLND before ILND Yes No | 36 36 | 11 14 | 25 22 | 0.62 |