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Table 3 Treatment failure compare between regimen groups. Rate of sustainable viral load level > 1000 copies/ml at 24 weeks and at 48 weeks was calculated along side the median viral load. Virological failure rate decrease in both treatment regimens and was high in the NVP regimen compare to EFV

From: Rate of viral load change and adherence of HIV adult patients treated with Efavirenz or Nevirapine antiretroviral regimens at 24 and 48 weeks in Yaoundé, Cameroon: a longitudinal cohort study

ART regimen Rate of sustainable viral load level > 1000 copies/ml
Viral outcome at baseline Viral outcome at 24 weeks Viral outcome at 48 weeks
n Median VL (copies/ml) n Median VL (copies/ml) VFR(%) n Median VL (copies/ml) VFR(%)
EFV 80 6510 52 4440 48.1% 12 1345 12%
NVP 84 6930 64 6290 76.1% 32 1656 40%
Total 164 6930 116 6245 60.4% 44 1532 24%
  1. Abbreviations: EFV Efavirenz, NVP Nevirapine, VFR Virological Failure Rate, VL Viral load, n number of patients