Table 2. Model base case clinical values and ranges used for sensitivity analyses.

	Variable	Base Case (range)	Source
Clinical values	Baseline CD4+ countsa	750 (600–1200)	[1], [17]
	Annual CD4+ count declinea	60 (37–77)	[17]
	Annual CD4 count increasea	100 (60–120)	[18]
Epidemiological values	Syphilis incidenceb	7.75 (3.6–11)	[13]
	Gonorrhea incidenceb	8 (3.8–12.19)	[13]
	Chlamydia incidenceb	10.5 (5.51–15)	[13]
	HIV incidenceb	2.01 (1–3)	[13]
	Mujer Segura effectivenessc	40% (20–60%)	[13], [23], [24]
	Probability of leaving sex workb	21.5 (10–35)	[20]
	Background mortality	Life tables	[22]
HIV/AIDS medical costs (annual)	CD4+ cell counts:
	More than 350	$3,745d	[3], [25]
	Between 200–349	$4,186d	[3], [25]
	Between 100–199	$4,287d	[3], [25]
	Less than 100	$5,305d	[3], [25]
Annual probability of initiating HAART e	CD4+ cell counts:
	More than 350	9%d	[3], [19]
	Between 200–349	40%d	[3], [19]
	Between 100–199	49%d	[3], [19]
	Less than 100	6%d	[3], [19]

^acells per microliter.

^bPer 100 person years.

^cRisk reduction for sexually transmitted infections among female sex workers.

^dProbability distribution used for probabilistic sensitivity analysis.

^eHighly Active Antiretroviral Therapy.