Table 3 History or pre-existing non-melanoma malignant skin lesions prior to metastatic melanoma diagnosisa
Outcome | Overall (N = 2814) | Stage IV at initial diagnosis (N = 1313) | Progressed to stage IV (N = 1501) | |||
|---|---|---|---|---|---|---|
n | % (95 % CI) | n | % (95 % CI) | n | % (95 % CI) | |
cuSCC or BCC | 243 | 8.6 (7.6-9.7) | 82 | 6.2 (5.0-7.7) | 161 | 10.7 (9.2-12.4) |
Bowen’s disease | 21 | 0.7 (0.5-1.1) | 11 | 0.8 (0.4-1.4) | 10 | 0.7 (0.3-1.2) |
KA | 19 | 0.7 (0.4-1.0) | 9 | 0.7 (0.3-1.2) | 10 | 0.7 (0.3-1.2) |
AK | 109 | 3.9 (3.2-4.6) | 36 | 2.7 (2.0-3.7) | 73 | 4.9 (3.9-6.0) |