Comparison 7. Nevirapine twice daily versus nevirapine and efavirenz.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Treatment failure on or before week 48	1	596	Risk Ratio (M‐H, Random, 95% CI)	0.82 [0.69, 0.97]
2 Undetectable plasma HIV RNA < 50 copies/ml at 48 weeks	1	596	Risk Ratio (M‐H, Random, 95% CI)	1.04 [0.92, 1.18]
3 Death	1	596	Risk Ratio (M‐H, Random, 95% CI)	2.43 [0.53, 11.14]