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Hazard ratios for the cumulative effect of deferred initiation of combination antiretroviral therapy for (A) AIDS or death and (B) death alone, compared with starting treatment at CD4 cell count range 351–450 cells per μL
The horizontal axis shows the upper limits of the lower CD4 cell count range (251–350 cells per μL, 151–250 cells per μL, and 51–150 cells per μL).
