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Distribution of first-line regimen by age at antiretroviral therapy initiation and calendar period.
In the NNRTI + 3NRTIs group, all of the 93 children aged below 3 years received NVP and of those aged at least 3 years, 13 were on NVP and 13 on EFV. EFV, efavirenz; NRTI, nucleoside reverse transcriptase inhibitor; NNRTI, non-nucleoside reverse transcriptase inhibitor; NVP, nevirapine; PI, protease inhibitor.
