Table 6.

Pairwise comparison after Friedman test and pairwise correlation.

	p Values and Correlation Coefficients
Variables	Level 0 vs. Level 3	Level 0 vs. Level 6	Level 3 vs. Level 6
Vitamin D	<0.001	<0.001	<0.001
	rp = 0.269 *	rp = 0.292 *	rp = 0.950 *
USG	<0.001	<0.001	0.001
	rp = 0.926 *	rp = 0.860 *	rp = 0.945 *
sEMG	<0.001	<0.001	<0.001
	rp = 0.645 *	rp = 0.544 *	rp = 0.889 *

* Denotes that the correlation coefficients are significant at 5% level of significance.