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Table 7 Changes in calcium (Ca [mg/dl]) and phosphates (P [mg/dl]) levels in blood plasma of study participants

From: The effect of vitamin D supplementation on the muscle damage after eccentric exercise in young men: a randomized, control trial

Ca   SE SC OE OC p (between groups)
Test I 1 h before 2.51 ± 0.07 2.48 ± 0.14 2.45 ± 0.04 2.49 ± 0.07 0.274
Test II 1 h before 2.52 ± 0.08 2.46 ± 0.04 2.50 ± 0.05 2.47 ± 0.10 0.290
p (Test I vs. Test II) 1 h before 0.878 0.612 0.087 0.917  
P   SE SC OE OC p (between groups)
Test I 1 h before 1.17 ± 0.14 1.09 ± 0.26 1.10 ± 0.24 0.97 ± 0.50 0.927
Test II 1 h before 1.28 ± 0.15 1.30 ± 0.18 1.29 ± 0.25 1.24 ± 0.17 0.877
p (Test I vs. Test II) 1 h before 0.241 0.128 0.612 0.173  
  1. Results are shown as means ± SEM (SE – experimental group with suboptimal level of vitamin D, SC – control group with suboptimal level of vitamin D, OE – experimental group with optimal lever of vitamin D, OC – control group with optimal level of vitamin D); p (between groups) Kruskal-Wallis test; p (inside groups) Friedman test for dependent means; p (Test I vs Test II) Wilcoxon test