Comparison of HIV drug resistance mutations prevalence according to drug class family in the non-transferred and the transferred pediatric cohorts.

aSelected patients from the Madrid cohort of HIV-1 infected children that have been transferred to adult units by December 2011.bPretreated patients selected from the Madrid cohort of HIV-1 infected children excluding those transferred to adult units.cPrevalence of drug resistance mutations was determined following the IAS-USA 2011 list [18]. PR, protease; RT, reverse transcriptase; NRTI, nucleoside reverse transcriptase inhibitors; NNRTI, non-NRTI; PI, protease inhibitors.**Statistical difference (p