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. 2023 Jan 2;13:42. doi: 10.1038/s41598-022-23664-1

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Female and Male Representation Trended Between 2008–2019. Median proportions of gender groups (%) by year (N = 2693). The dashed line is the male proportion from Census 2010. *P < 0.05 (Wilcoxon rank sum test comparing annual female proportion with the 2008 clinical trial proportion).