Comparison 65. Active NRT‐NMR ‐ non‐Hispanic white or black or African American.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Six‐Month Abstinence	2		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
1.1 Normal NMR vs Slow NMR	2	718	Risk Ratio (M‐H, Random, 95% CI)	0.54 [0.37, 0.78]
2 End of Treatment	2		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
2.1 Normal NMR vs Slow NMR	2	718	Risk Ratio (M‐H, Random, 95% CI)	0.77 [0.58, 1.03]