a NNRTI and PI switches | |||||
---|---|---|---|---|---|
Initial ART (NNRTI/PI) | ART after switch | Total | |||
NVP | EFV | LPV/r | ATV/r | ||
NVP | – | 49 | 23 | 0 | 72 |
EFV | 45 | – | 70 | 1 | 116 |
LPV/r | 0 | 1 | – | 1 | 2 |
ATV/r | 0 | 0 | 0 | – | 0 |
Total | 45 | 50 | 93 | 2 | 190 |
b NRTI switches | |||||
---|---|---|---|---|---|
Initial ART (NRTI) | ART after switch | Total | |||
d4T | AZT | ABC | TDF | ||
d4T | – | 97 | 8 | 54 | 159 |
AZT | 17 | – | 2 | 20 | 39 |
ABC | 0 | 4 | – | 14 | 18 |
TDF | 2 | 19 | 5 | – | 26 |
Total | 19 | 120 | 15 | 88 | 242 |