Table 2.

Frequency of PDR

Variable	Overall	Urban sites	Rural sites
Total specimens eligible for genotyping, n	379	249	130
Total successfully genotyped, n	321	205	116
Genotyping rate, %	85	82	89
HIVDR in all initiators, n	321	205	116
any DRM, % (95% CI)	10.4 (5.4–19.1)	14.2 (6.6–27.9)	4.3 (1.2–14.3)
PI DRMs, % (95% CI)	0.3 (0.1–1.5)	0.5 (0.1–2.6)	0
NRTI DRMs, % (95% CI)	2.4 (0.4–12.9)	3.9 (0.6–20.9)	0
NNRTI DRMs, % (95% CI)	10.0 (5.1–18.8)	13.7 (6.2–27.5)	4.3 (1.2–14.3)
HIVDR in initiators with no prior exposure to ARVs	223	141	82
any DRM, % (95% CI)	10.4 (4.7–21.5)	13.5 (5.1–31.5)	5.3 (1.4–17.5)
PI DRMs, % (95% CI)	0.3 (0.0–2.1)	0.5 (0.1–3.7)	0
NRTI DRMs, % (95% CI)	2.8 (0.4–16.3)	4.6 (0.7–26.2)	0
NNRTI DRMs, % (95% CI)	10.1 (4.4–21.3)	13.1 (4.7–31.2)	5.3 (1.4–17.5)
HIVDR in initiators with prior exposure to ARVs, n	29	23	6
any DRM	14.7 (4.6–38.2)	18.8 (5.5–48.0)	0
PI DRMs	1.1 (0.1–8.8)	—	—
NRTI DRMs	1.6 (0.2–9.9)	—	—
NNRTI DRMs	13.6 (3.9–37.9)	—	—

—, not displayed.

Data are presented as n, % or study design-weighted proportion [% (95% CI)].