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. 2024 Oct 26;14:25486. doi: 10.1038/s41598-024-73005-7

Fig. 3.

Fig. 3

Fetal/placental weight ratio by group and correlation with pulmonary function at 5 years of age. (A) Boxplot shows the distribution by treatment group. (B) Scatterplot shows the Pearson correlation between fetal/placental weight ratio and FEF25 − 75 measured at 5-year follow-up visit for each treatment group. The correlation was significant in the vitamin C treated smokers (orange) with a similar trend in nonsmokers (green), however this relationship was not observed in placebo treated smokers (purple).