Table 2.

Characteristics of HAART regimens used prior to first raltegravir regimen

Number of all NRTIs, NNRTIs, and PIs used prior to first raltegravir regimen	Median (IQR)
NRTI	5 (5–7)
NNRTI	1 (1–2)
PI	4 (4–5)
Drugs included in the last HAART regimen prior to first raltegravir initiation	N (%)
NRTI	31 (96.9)
1 NRTI	2 (6.3)
2 NRTI	22 (68.8)
3 NRTI	7 (21.9)
NNRTI	4 (12.5)
PI	32 (100)
Boosted PI	28 (87.5)
Non-boosted PI	4 (12.5)

Abbreviations: IQR, interquartile range; NRTIs, nucleoside reverse transcriptase inhibitors; NNRTIs, non-nucleoside reverse transcriptase inhibitors; PIs, protease inhibitors.