. Author manuscript; available in PMC: 2017 May 1.

Published in final edited form as: Clin Chim Acta. 2016 Mar 3;456:128–136. doi: 10.1016/j.cca.2016.02.022

Table 2.

ROC analysis of HM-ELISA+PSAM using HIV-1 positive and negative samples.

No. of samples	Sample type	RNA Range No.	RNA load (copies/ml)	cut-off 1	cut-off 2	cut-off 3	cut-off 4	cut-off 5
				Sensitivity (True positive (TP) fraction, %)
87	Plasma positives	2&3	≥ 3,000	98.85	97.70	96.55	95.40	95.40
				Specificity (True negative (TN) fraction, %)
50	Plasma negatives	N/A^*	0	84	86	90	98	100
26	Serum negatives	N/A^*	0	100	100	100	100	100

N/A - not applicable.