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. Author manuscript; available in PMC: 2011 Apr 11.
Published in final edited form as: Antivir Ther. 2007;12(4):543–551.

Table 4.

Heterogeneity of the “HAART effect” by CD4 stratum

Period of treatment Model with interaction between CD4 and HAART effects Model without interaction between CD4 and HAART effects
CD4 count stratum Across all CD4 strata
≤ 50/μl 51–200/μl > 200/μl
HAART + Cotrimoxazole
 HAART > 6 months 0.36 (0.14–0.92) 0.38 (0.25–0.58) 0.43 (0.26–0.71) 0.40 (0.30–0.55)
 HAART 0–6 months 0.94 (0.62–1.42) 0.26 (0.13–0.51) 0.71 (0.37–1.34) 0.50 (0.35–0.73)
Cotrimoxazole 1.00 1.00 1.00 1.00

HAART: Highly active antiretroviral therapy