Table 2.

Results for within-study comparisons

Study characteristic	Ne	Pooled estimate of ratio of proportion [95% CI]	z	p value	I2 (%)
Method
ARV vs VLS	7	0.75 [0.64–0.88]	− 3.5743	0.0004	56.7
ARV vs medical records	1	0.39 [0.21–0.72]	− 2.9836	0.0028	–
VLS vs medical records	1	0.45 [0.25–0.80]	− 2.6966	0.0070	–
ARV + VLS vs VLS	1	0.85 [0.65–1.11]	− 1.2065	0.2276	–
Racial differences
Non-Black vs Black	3	0.38 [0.17–0.85]	− 2.3448	0.0190	42.7
Sex
Female vs male	7	0.81 [0.64–1.02]	− 1.7663	0.0773	32.0

ARV antiretrovirals drug testing, N_e number of estimates, VLS viral load suppression