Varenicline

Effectiveness and abstinence rates for various medications and medication combinations compared to placebo at 6-months post-quit (n = 86 studies).
| Medication |
Number of arms |
Estimated odds ratio (95% C.I.) |
Estimated abstinence rate (95% C.I.) |
| Placebo |
80 |
1.0 |
13.8 |
Varenicline
(2 mg/day) |
5 |
3.1
(2.5, 3.8) |
33.2
(28.9, 37.8) |
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