NVP IR NVP XR
  n = 508 n = 505
Baseline HIV (log10 copies/mL), n    
Mean 4.7 4.7
SD 0.6 0.7
Median 4.7 4.7
Baseline HIV RNA (copies/mL), n (%)    
<1,000 2 (0.4) 3 (0.6)
1,000 to 10,000 82  (16.1) 77  (15.2)
>10,000 to 100,000 250  (49.2) 260  (51.5)
>100,000 to 1,000,000 167  (32.9) 155  (30.7)
>1,000,000 7  (1.4) 10  (2.0)
Baseline CD4+ T-cell count, cells/mm2    
n 507 503
Mean 227.7 229.6
SD 85.9 81.4
Median 224.5 227.5
NVP IR, nevirapine immediate release; NVP XR, nevirapine extended release; SD, standard deviation
Table 1: Patient demographics and baseline characteristics.
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