From: Is a combination of varenicline and nicotine patch more effective in helping smokers quit than varenicline alone? A randomised controlled trial
Period after TQD
Placebo patch
Nicotine patch
Pearson Chi-square; p value
N=59
N=58
24 hours N (%)
47 (80)
46 (79)
x 2 =.00; p = 0.96
1 week N (%)
35 (59)
40 (69)
x 2 =1.18; p = 0.28
4 weeks N (%)
35 (60)
x 2 =0.01; p = 0.91