Table 5.

Accuracy of 187 participating pathologists’ when phase 1 interpretations are compared with the consensus reference diagnoses*

Consensus reference diagnosis†	Study pathologists’ interpretation					Total interpretations (No)	% Concordance with reference diagnosis (95% CI)
	Class I	Class II	Class III	Class IV	Class V
Class I	862	50	19	3	1	935	92 (90 to 94)
Class II	843	331	131	26	11	1342	25 (22 to 28)
Class III	695	520	908	113	11	2247	40 (37 to 44)
Class IV	150	176	717	928	198	2169	43 (39 to 46)
Class V	68	87	161	321	1646	2283	72 (69 to 75)
Total	2618	1164	1936	1391	1867	8976

*Concordance in interpretation is emboldened.

†Reference diagnosis was obtained from consensus of three experienced dermatopathologists.