. 2018 Oct 12;30(10):1271–1277. doi: 10.1589/jpts.30.1271

Table 3. Statistical Analysis (n=20).

1. Non-parametric correlations (Spearman’s rho)	Test	Retest	p value

	1.000	0.775	0.000*

2. Descriptive statistics (mean ± SD)	Test	Retest

	17.4 ± 1.9	16.8 ± 1.85

3. Wilcoxon Signed Rank (Ranks)		Number	Mean Rank	Sum of Ranks

	Negative ranks	7^a	4.71	33
	Positive ranks	1^b	3	3
	Ties	12^c	-	-
	Total	20	-	-
	Z value(retest−test)	−2.15^¥
	p value	0.031

4. Coefficients		Unstandardized		Standardized	t value	p value
		B	Std. error	Beta

	Constant	0.09	2.7	-	0.033	0.97
	Mean	0.03	0.16	0.045	0.19	0.85

*p<0.05; ^aretest<test; ^bretest>test; ^cretest=test; ^¥based on positive ranks.