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. 2020 Nov 23;10:20323. doi: 10.1038/s41598-020-76346-1

Figure 6.

Figure 6

Circulating levels of (A) betaine, (B) choline, (C) trimethylamine N-oxide (TMAO), and (D) creatinine in human subjects with chronic kidney disease (CKD) stage 3 (black bars) compared to different animal species with a CKD-like status, i.e. free-ranging brown bears during hibernation (dark grey bars), as well as captive lions and tigers (light grey bars). Results are shown as median (interquartile range). Overall p values between the four groups were assessed by non-parametric Kruskal–Wallis test. Group-wise comparisons using Bonferroni post hoc analysis are described in the Results section. Number of subjects/animals included in each group is depicted. TMAO levels could not be detected in hibernating free-ranging brown bears.