Table 1: Summary of patient characteristics by method of detection.

Variable Detection method p value*
Patient Non-dermatologist Physician Dermatologist All Physicians
Sex 0.01
Male 111/246 (45.2%) 98/246 (39.8%) 37/246 (15%) 145/246 (54.8%)
Female 137/242 (56.6%) 69/242 (28.5%) 36/242 (14.9%) 115/242 (43.4%)
Age, years Mean (median) 61.6 ± 15.5 (61) 70.8 ± 13.6 (74) 65.8 ± 14 (69) 69.3 ± 13.9 (73) < 0.0001
Age, years < 0.0001
< 50 63/89 (70.8%) 16/89 (18%) 10/89 (11.2%) 26/89 (29.2%)
≥ 50 185/399 (46.3%) 151/399 (37.8%) 63/399 (15.8) 214/399 (53.7%)
Race 0.04
Caucasian 236/472 (50.0%) 163/472 (34.5%) 73/472 (15.5%) 236/472 (50.0%)
Non-caucasian 12/16 (75.0%) 4/16 (25.0%) 0/16 (0%) 4/16 (25.0%)
Prior non-melanoma skin cancer 37/106 (35.0%) 35/106 (33.0%) 34/106 (32.0%) 69/106 (65.0%) 0.0005
Family history of melanoma 33/63 (52.4%) 18/63 (28.6%) 12/63 (19.1%) 30/63 (47.6%) 0.51

*p value: Based on patient versus physician (dermatologist & non-dermatologist physicians combined) data.