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Patient demographics
| Variables | PE | UE | p value |
|---|---|---|---|
| Number of cases | 128 | 63 | |
| Gender | |||
| Male | 70 (55%) | 32 (51%) | 0.612 |
| Female | 58 (45%) | 31 (49%) | |
| Age (years, mean) | 50.5 | 51.0 | 0.840 |
| Followup (months, mean) | 53.4 | 57.9 | 0.312 |
| Depth* | |||
| Superficial | 37 (30%) | 52 (87%) | < 0.001 |
| Deep | 87 (70%) | 8 (13%) | |
| Unknown | 4 | 3 | |
| Size* (cm) | 9.0 | 4.6 | < 0.001 |
| Histologic grade | |||
| Low | 49 (38%) | 30 (48%) | 0.218 |
| High | 79 (62%) | 33 (52%) | |
* Significant difference between cohorts; PE = planned excision; UE = unplanned excision.
