. Author manuscript; available in PMC: 2014 Oct 14.

Published in final edited form as: JAMA Intern Med. 2013 Oct 14;173(18):1746–1748. doi: 10.1001/jamainternmed.2013.9329

Table 1. Projected costs with different strategies of CD4 monitoring in routine care for the estimated 270,000 HIV-infected patients on suppressive ART in the US.

	Annual costs^a		Lifetime costs^a projected for LE 22 years		Lifetime costs^a projected for LE 34 years

Frequency (months)	CD4 Test Cost		CD4 Test Cost		CD4 Test Cost
	$38	$67	$38	$67	$38	$67
Every 3	41.0	72.4	902.9	1591.9	1395.4	2460.2
Every 6^b	20.5	36.2	451.4	796.0	697.7	1230.1
Every 12	10.3	18.1	225.7	398.0	348.8	615.1

Abbreviations: HIV, Human Immunodeficiency Virus; ART, antiretroviral therapy;US, United States; LE, life expectancy.

All costs in US$ (millions).

Assumed current standard of care.