There was no significant difference in CO-confirmed CAR between the fresh lime group and the nicotine gum group during weeks 9-12 ( 61.7 % vs. 66.0 % ; p = 0.65 ) , although 7-day point prevalence abstinence at week 4 of the fresh lime users was statistically significant lower than those using nicotine gum ( 38.3 % vs. 58.5 % ; p = 0.04 ) .
