Table 1 Patient characteristics
Factor | Characteristic | Number (%) |
|---|---|---|
Gender | Male | 63 (47.4) |
| Â | Female | 70 (52.6) |
Age (years) | ≤50 | 64 (48.1) |
| Â | >50 | 69 (51.9) |
Primary site | Lower extremity | 94 (70.7) |
| Â | Trunk | 31 (23.3) |
| Â | Unknown | 8 (6) |
Clark level | III | 35 (28.7) |
| Â | IV | 64 (48.1) |
| Â | V | 13 (9.8) |
| Â | Unknown | 10 (8.2) |
| Â | NA | 11 |
T stage | T1 | 9 (8.1) |
| Â | T2 | 25 (22.5) |
| Â | T3 | 36 (32.4) |
| Â | T4 | 41 (36.9) |
| Â | NA | 22 |
Ulceration | Yes | 57 (49.6) |
| Â | No | 58 (50.4) |
| Â | NA | 18 |
Method of diagnosis | Clinical disease | 84 (63.1) |
| Â | Sentinel lymph node biopsy | 49 (36.9) |
Number of positive lymph nodes | 1 (N1) | 84 (64.1) |
| Â | 2 or 3 (N2) | 33 (25.2) |
|  | ≥4 (N3) | 14 (10.5) |
| Â | NA | 2 |
Extent of nodal involvement | Superficial | 103 (77.4) |
| Â | Superficial and deep | 30 (22.6) |