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. 2023 Feb 14;25(6):1145–1154. doi: 10.1093/ntr/ntad003

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Figure 2. — Dose-dependent formation of DNA damage in vapers and smokers as compared to nonusers. To examine the dose dependency of DNA damage, both vapers and smokers were divided into two groups, including “light” and “heavy” users based on cumulative e-liquid consumption and pack year, respectively, as described in the text. Distribution of data within each group is shown by box and whisker plots, with the five indicating measures of each plot being labeled within the graphs (see, description in legend for Figure 1). ^*Statistically significant as compared to nonusers: Analysis of variance (ANOVA): F = 4.571, p = .0156 | Tukey’s HSD p = .0195. ^†Statistically significant as compared to nonusers: ANOVA: F = 4.368, p = .0185 | Tukey’s HSD p = .0135.