Table 1.

Distribution of lesions in Development and Validation datasets, based on expert clinical diagnosis or histology where available

Diagnosis	Development dataset	%	UK validation dataset	%	Australian validation dataset	%
Naevus	293	69. 4%	159	76. 4%	333	57. 3%
Seborrhoeic keratosis	101	23. 9%	39	18. 7%	128	22. 0%
Solar lentigo	0	0	0	0	67	11. 5%
Basal cell carcinoma	0	0	0	0	22	3. 8%
Melanoma	3	0.7%	2	1. 0%	7	1. 2%
Angiokeratoma	0	0.0%	0	0.0%	6	1. 0%
Dermatofibroma	14	3. 3%	6	2. 9%	5	0.9%
Lentigo maligna	0	0.0%	0	0.0%	4	0.7%
Haemangioma	11	2. 6%	2	1. 0%	0	0.0%
Lentigo simplex	0	0.0%	0	0.0%	5	0.9%
Ephilis	0	0.0%	0	0.0%	3	0.3%
Papilloma	0	0.0%	0	0.0%	1	0.2%
Total	422		208		581