Table 4.

Crude and Adjusted Hazard Ratios of Mortality for the 1,037 Patients Lost from an HIV Treatment Program at the Themba Lethu Clinic, Johannesburg, South Africa^*

Variable	Crude Model(95% CI^)	Adjusted Model**(95% CI^) CI−
Age at time of being lost
≤ 40	1.0	1.0
> 40	1.67 (1.34–2.08)	1.43 (1.10–1.85)
Last CD4 before being lost
> 200	1.0	1.0
100–200	0.74 (0.57–0.96)	1.80 (1.20–2.70)
0–100	3.83 (3.06–4.79)	3.38 (2.27–5.03)
History of tuberculosis
No	1.0	1.0
Yes	1.31 (0.98–1.74)	1.29 (0.93–1.79)
Sex
Male	1.0	1.0
Female	0.78 (0.63–0.97)	1.07 (0.83–1.38)
Last BMI^ before being lost
≥ 17.5	1.0	1.0
< 17.5	3.69 (2.82–4.83)	2.35 (1.76–3.14)
Last HB before being lost
≥ 10.0	1.0	1.0
< 10.0	2.56 (2.03–3.23)	1.39 (1.04–1.85)
Year lost from care
2004	1.0	1.0
2005	1.52 (1.21–1.91)	0.85 (0.48–1.52)
2006	0.71 (0.55–0.92)	0.62 (0.34–1.13)
2007	0.81 (0.63–1.03)	0.81 (0.45–1.47)
2008	0.94 (0.69–1.27)	0.96 (0.52–1.78)
Months on ART before LTFU
>=12 months	1.0	1.0
6–12 months	0.82 (0.61–1.11)	1.38 (0.90–2.11)
0–6 months	2.34 (1.86–2.94)	1.52 (1.05–2.21)

^*Mortality data comes from South Africa’s Department of Home Affairs Vital Registration System

^**Adjusted for all other variables in the model using Cox Proportional Hazards regression

^{^}CI = Confidence interval, BMI = Body Mass Index