Table 2. Results of the PUL module test-retest analysis.

Sample size	32
Shapiro-Wilk test	p-value (PUL1) = 0.0846
	p-value (PUL2) = 0.1872
Paired t test	p-value = 0.9982
Pearson’s r	0.9942
ICC(2, 1)	0.9943
SEM	1.36
MDC	4 (3.77)
CV	3% (SD 2.79)

ICC = Intraclass Correlation Coefficient, SEM = Standard Error of Measurement, MDC = Minimum Detectable Change, CV = Coefficient of Variation.