Table 2.

TPR (sensitivity), FPR (1-specificity) and accuracy for readers against the reference standard. There were no positive type C studies therefore TPR is not applicable.

	n	X vs report			Y vs report			Z vs report
		TPR	FPR	Acc	TPR	FPR	Acc	TPR	FPR	Acc
All	100	87%	15%	86%	98%	20%	88%	96%	2%	97%
Type A	79	95%	2%	96%	97%	10%	94%	97%	2%	97%
Non-A	21	50%	54%	48%	100%	54%	67%	88%	0%	95%
Type B	15	50%	43%	53%	100%	43%	80%	88%	0%	93%
Type C	6	N/A	67%	33%	N/A	67%	33%	N/A	0%	100%

Acc, accuracy; FPR, false positive rate; TPR, true positive rate.