Patient demographic and surgical characteristics
| Characteristic | Group; no. (%) of cases* | p value | |
|---|---|---|---|
| Lazy S incision n = 15 | Perioperative bundle† n = 19 | ||
| 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 |