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. 2023 Apr 15;9:62. doi: 10.1038/s41531-023-00503-2

Fig. 2. Box and violin plots of the quantitative brainstem MRI measures.

Fig. 2

Data is represented with a box plot (box edges: first 25th percentile quartile to third 75th percentile quartile; red line: median; black line: mean; whisker length: 1.5 times the interquartile range; red crosses: outlier data), a violin plot showing the histogram distribution, and individual scatter points of each subject’s quantitative measures. a SNc NM CR, b SNc NM nVol, c LC NM CR, d LC NM nVol, e SNc iron CR, f SNc iron nVol, g RN iron CR, and h RN iron nVol. Red lines represent the median and black lines represent the mean, whereas gray horizontal lines indicate statistically significant differences between groups (*p < 0.05, **p < 0.001, corrected for multiple testing).