a p-value < 0.05 was considered significant
b NRTI -Nucleoside reverse transcriptase inhibitors, NVP- nevirapine, EFV-efavirenz, LR-lopinavir/ritonavir
c CD4% counts categorized as not significant was defined as CD4% >35% for children less than 11 months or >30% for children 12-35 months or >25% for children 36-59 months or >500 cell/mm
3 for children 5 years and older. CD4% counts categorized as mild was defined as CD4 30-35% for children less than 11 months or CD4 25-30% for children 12-35 months or 20-25% for children 36-59 months or CD4 350-499 cell/mm
3 for children 5 years and older. CD4% counts categorized as advanced was defined as CD4 25-29% for children less than 11 months or CD4 20-24% for children 12-35 months or CD4 15-19% for children 36-59 months or CD4 200-349 cell/mm
3 for children 5 years and older. CD4% counts categorized as severe was defined as CD4 <25% for children less than 11 months or CD4 <20% for children 12-35 months or CD4 <15% for children 36- 59 months or CD4 <200cell/mm
3 for children 5 years and older [
12,
13].