Table 5.
Management Based on Initial Lesion Size
| n | % | SD | |
|---|---|---|---|
| Total no. lesions included in final size analysis* | 190 | 92.7% | |
| Mean lesion size at first visit (cm2) | 1.57 | 9.27 | |
| Lesion size percentiles | n | Min | Max |
| 25%ile | 49 | −0.04 | 0.06 |
| 50%ile | 46 | 0.0675 | 0.3375 |
| 75%ile | 48 | 0.3675 | 0.9375 |
| 100%ile | 47 | 0.96 | 126.3125 |
| Size and lesion risk | n | Mean (cm2) | SD |
| High risk | 63 | 0.81 | 1.13 |
| Medium risk | 51 | 3.41 | 17.68 |
| Low risk | 76 | 0.96 | 2.01 |
| Management by lesion size | |||
| Bottom 25%ile (smallest lesions) | 49 | 100.0% | |
| Average no. visits | 1.98 | 1.36 | |
| Negative margins achieved | 46 | 93.9% | |
| Negative margins not achieved | 3 | 6.1% | |
| Mohs | 7 | 14.3% | |
| No Mohs | 42 | 85.7% | |
| OR | 11 | 22.4% | |
| Never OR | 38 | 77.6% | |
| 25%ile–50%ile | 46 | 100.0% | |
| Average no. visits | 1.65 | 0.71 | |
| Negative margins achieved | 43 | 93.5% | |
| Negative margins not achieved | 3 | 6.5% | |
| Mohs | 2 | 4.3% | |
| No Mohs | 44 | 95.7% | |
| OR | 7 | 15.2% | |
| Never OR | 39 | 84.8% | |
| 50%ile–75%ile | 48 | 100.0% | |
| Average no. visits | 1.56 | 0.80 | |
| Negative margins achieved | 46 | 95.8% | |
| Negative margins not achieved | 2 | 4.2% | |
| Mohs | 2 | 4.2% | |
| No Mohs | 46 | 95.8% | |
| OR | 8 | 16.7% | |
| Never OR | 40 | 83.3% | |
| Top 25%ile (largest lesions) | 47 | 100.0% | |
| Average no. visits | 1.49 | 0.81 | |
| Negative margins achieved | 43 | 91.5% | |
| Negative margins not achieved | 4 | 8.5% | |
| Mohs | 0 | 0.0% | |
| No Mohs | 47 | 100.0% | |
| OR | 18 | 38.3% | |
| Never OR | 29 | 61.7% |
*Based on lesion dimensions provided in pathology report after first excision. 19 lesions were excluded from analysis: 8 excisions with multiple specimens for a single lesion were excluded from analysis. 11 lesions without dimensions in pathology report excluded.