https://www.selleckchem.com/pr....oducts/methylene-blu
68, 95% CI=3.63, 12.31) than studies with sample sizes1000 (OR=2.49, 95% CI=1.97, 3.15). Overall, the attrition rate was very high (median=30%). All but one study reported results from complete sample analysis, despite those dropping out having higher risk profiles. Only two studies comprehensively adjusted for confounding. The median E-value was 2.90, indicating that the estimates were not robust against unmeasured confounding. There is a longitudinal association between adolescent vaping and smoking initiation; h