Table 2 Summary of meta-analysis of the included studies
Outcome or Subgroup | Studies | Participants | Statistical method | Effect estimate |
|---|---|---|---|---|
1.1 Abstinence at 3 months | 16 | 3533 | Odds Ratio (M-H, Random, 95% CI) | 1.54 [1.28, 1.85] |
2.1 Abstinence at 6 months | 15 | 3271 | Odds Ratio (M-H, Random, 95% CI) | 1.21 [1.03, 1.43] |
3.1 Abstinence at treatment endpoints(bupropion SR) | 3 | 363 | Odds Ratio (M-H, Random, 95% CI) | 1.18 [0.51, 2.73] |
4.1 Abstinence at treatment endpoints (varenicline) | 3 | 744 | Odds Ratio (M-H, Random, 95% CI) | 1.99 [1.48, 2.68] |
5.1 Abstinence at treatment endpoints (nicotine gum) | 3 | 337 | Odds Ratio (M-H, Random, 95% CI) | 1.64 [0.82, 3.37] |
6.1 Abstinence at treatment endpoints (nicotine patch | 4 | 706 | Odds Ratio (M-H, Random, 95% CI) | 1.46 [1.07, 1.98] |
7.1 Abstinence at treatment endpoints(nicotine lozenge) | 6 | 1630 | Odds Ratio (M-H, Random, 95% CI) | 1.41 [1.08, 1.83] |