Table 1. Tumor Characteristics.
| Characteristic | No. (%) of Patients (N = 349) |
|---|---|
| Sex | |
| Male | 302 (86.5) |
| Female | 47 (13.5) |
| Immunosuppressed | 33 (9.5) |
| Recurrent disease | 204 (58.5) |
| Primary site | 69 (19.8) |
| Ear | 49 (14.0) |
| Periorbital | 13 (3.7) |
| Lip | 30 (8.6) |
| Nose | 23 (6.6) |
| Scalp | 54 (15.5) |
| Temple | 27 (7.7) |
| Unknown | 22 (6.3) |
| Diameter, cm | |
| <2 | 73 (20.9) |
| 2-4 | 102 (29.2) |
| >4 | 77 (22.1) |
| Positive margins | 34 (19.2) |
| LVI | 47 (13.5) |
| PNI | 136 (39.0) |
| ECE | 67 (19.2) |
| Poorly differentiated | 85 (24.4) |
| Regional disease | 129 (37.0) |
| Postoperative radiation therapy | 191 (54.7) |
Abbreviations: ECE, extracapsular tumor extension; LVI, lymphovascular invasion; PNI, perineural invasion.