Document Classification

Section Type: RESULTS

Text: The varenicline and placebo groups did not differ significantly in cardiovascular mortality (0. 3 % versus 0. 6 % ; difference, -0. 3 % ; 95 % CI, -1. 3 to 0. 7), all-cause mortality (0. 6 % versus 1. 4 % ; difference, -0. 8 % ; 95 % CI, -2. 3 to 0. 6), cardiovascular events (7. 1 % versus 5. 7 % ; difference, 1. 4 % ; 95 % CI, -2. 3 to 5. 0), or serious adverse events (6. 5 % and 6. 0 % ; difference, 0. 5 % ; 95 % CI, -3. 1 to 4. 1).