Age, mean ± SD, yr | 61.7 ± 15.6 | 62.4 ± 12.8 | 0.9 |
Male sex | 9 (60) | 9 (47) | 0.5 |
Comorbidities |
Diabetes mellitus | 3 (20) | 4 (21) | 0.9 |
Hypertension | 6 (40) | 7 (37) | 0.8 |
Chronic obstructive pulmonary disease | 1 (7) | 1 (5) | 0.9 |
Coronary artery disease | 2 (13) | 3 (16) | 0.8 |
Smoker | | | 0.4 |
Current | 4 (27) | 2 (10) | |
Previous | 4 (27) | 4 (21) | |
ASA score | | | 0.6 |
2 | 5 (33) | 5 (26) | |
3 | 10 (67) | 13 (68) | |
4 | 0 (0) | 1 (5) | |
Prior radiation | 1 (7) | 1 (5) | 0.9 |
Prior groin surgery | 0 (0) | 1 (5) | 0.4 |
Right side | 10 (67) | 4 (21) | 0.007 |
Histologic subtype | | | 0.1 |
Malignant melanoma | | | |
Superficial spreading | 10 (67) | 10 (6) | |
Acral lentiginous | 0 (0) | 3 (16) | |
Nodular | 0 (0) | 2 (10) | |
Metastatic melanoma of unknown primary | 1 (7) | 4 (21) | |
Apocrine carcinoma | 1 (7) | 0 (0) | |
Squamous cell carcinoma | 2 (13) | 0 (0) | |
Merkel cell carcinoma | 1 (7) | 0 (0) | |
Reason for surgery | | | 0.1 |
Palpable nodal disease | 9 (60) | 16 (84) | |
Positive result of sentinel node biopsy | 6 (40) | 3 (16) | |
Type of dissection | | 0.007 | |
Superficial inguinal alone | 8 (53) | 2 (10) | |
Superficial and deep inguinal | 7 (47) | 17 (90) | |
No. of nodes excised, mean ± SD | 14.1 ± 8.4 | 14.4 ± 7.4 | 0.9 |