Table 2.
Patient and disease characteristics.
| Characteristic | Value |
|---|---|
| Total | 174 |
| Newly diagnosed | 108 (62%) |
| Previous excision | 66 (38%) |
|
| |
| Mean age (yrs) | 67 (range: 15–93) |
|
| |
| Depth | |
| Superficial | 79 (46%) |
| Deep | 23 (13%) |
|
| |
| Mean tumour size (cm) | 8.4 (range: 0.3–31) |
| New diagnosis | 9.9 |
| Previous excision | 5.9 |
|
| |
| Grade | |
| High | 87 (51%) |
| Intermediate | 62 (36%) |
| Low | 23 (13%) |
|
| |
| Metastases | 41 (24%) |
| At diagnosis | 6 (3%) |
| Following diagnosis | 35 (20%) |
|
| |
| Local recurrence at 5-year cumulative risk | |
| Planned excision | 15% |
| Unplanned excision | 45% |
|
| |
| Risk of local recurrence by tumour grade | |
| Low | 22% |
| Intermediate | 28% |
| High | 8% |
|
| |
| Surgical margins | |
| Wide | 24% |
| Marginal | 50% |
| Intralesional | 26% |