. Author manuscript; available in PMC: 2016 Nov 1.

Published in final edited form as: J Acquir Immune Defic Syndr. 2015 Nov 1;70(3):256–261. doi: 10.1097/QAI.0000000000000724

Table 2.

Pooled Testing

	Quantitative (Virologic Failure Threshold)			Qualitative (PCR)
	500 (copies/mL)	1000 (copies/mL)	1500 (copies/mL)	PCR 1^st round	PCR 2^nd round
Relative Efficiency (%)	31	32	32	47	6
Sensitivity (%)	85	86	83	64	95
Specificity (%)	100	100	100	100	100
Positive Predictive Value (%)	100	100	100	100	99
Negative Predictive Value (%)	96	97	96	90	99
Cost Savings Compared to Individual Viral Load Testing^*	$11,400	$11,250	$11,250	$26,277	$25,125

Viral load testing each sample: $34,575, $: US dollars