TABLE 1.

True and false positives and negatives for the four methods by the four clinicians with sensitivity, specificity, melanomas found and biopsies indicated.

Clinician	Method	True Pos	False Neg	False Pos	True Neg	Sens.	Spec.	Number melanomas found	Number biopsies indicated
P.B.	3point	11	23	5	6	68.8	20.7	6	34
	Menzies	6	8	10	21	37.5	72.4	2	14
	Clinical	9	5	10	26	47.3	83.9	2	14
	BLINCK	19	13	0	18	100	58.1	9	32
C.R.	3point	11	18	5	11	68.7	37.9	6	29
	Menzies	10	6	6	23	62.5	79.3	5	16
	Clinical	13	14	6	17	68.4	54.8	3	27
	BLINCK	19	23	0	8	100	25.8	9	42
D.B.	3point	11	18	5	11	68.8	37.9	5	29
	Menzies	11	14	5	15	68.8	51.7	6	25
	Clinical	9	6	10	25	47.4	80.6	2	15
	BLINCK	16	15	3	16	84.2	51.6	8	31
H.C.	3point	5	8	11	21	31.3	72.4	2	13
	Menzies	8	8	8	21	50	72.4	3	16
	Clinical	9	9	10	22	47.4	80	2	18
	BLINCK	15	11	4	20	78.9	64.5	7	26