Fig. 4
From: Impact of hyperbaric oxygenation therapy (HBOT) on renal function in human

Urine parameter. Osmolality (A), and excretion of sodium (B), potassium (C), and calcium (D). All values are mean ± SEM, n = 15 with n = 10 male test persons and n = 5 female test persons. Repeated measures ANOVA followed by Tukey post hoc test, *P < 0.05 was considered significant.