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Figure 1 | Biology of Sex Differences

Figure 1

From: Expression of drug transporters in human kidney: impact of sex, age, and ethnicity

Figure 1

Comparison of expression level for housekeeping gene, GAPDH, based on sex, age, and ethnicity. Box-whisker plot demonstrates cycle threshold (Ct) values from lower to upper quartiles intersected by median for (A) sex, (B) age, (C) ethnicity, (D) sex-age interaction, and (E) sex-ethnicity interaction. Statistical analysis for sex, age, and ethnicity was performed using non-parametric Mann–Whitney test. Statistical analysis for sex-age and sex-ethnicity interaction was performed using non-parametric Kruskal-Wallis test (see Table 3).

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