Timing of switch (n = 268) | Anchor drug class in the second regimen | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Switch < 1 year after starting the first regimen | Switch ≥1 year after starting the first regimen | |||||||||||||||||
Anchor drug class in the first regimen | NNRTI | PI | INSTI | NNRTI | PI | INSTI | ||||||||||||
n | % | (95% CIa) | n | % | (95% CIa) | n | % | (95% CIa) | n | % | (95% CIa) | n | % | (95% CIa) | n | % | (95% CIa) | |
NNRTI | – | – | – | 4 | 8.3 | (3.3–19.6) | 44 | 91.7 | (80.4–96.7) | – | – | – | 0 | 0.0 | – | 35 | 100.0 | (90.1–100.0) |
PI | 2 | 2.5 | (0.7–8.6) | – | – | – | 79 | 97.5 | (91.4–99.3) | 2 | 2.5 | (0.7–8.6) | – | – | – | 79 | 97.5 | (91.4–99.3) |
INSTI | 5 | 35.7 | (16.3–61.2) | 8 | 57.1 | (32.6–78.6) | – | – | – | 4 | 50.0 | (21.5–78.5) | 4 | 50.0 | (21.5–78.5) | – | – | – |