The Spanish version of the Patient-Rated Wrist Evaluation outcome measure: cross-cultural adaptation process, reliability, measurement error and construct validity

Table 4 Cross-sectional precision and Standard Error of the Measurement at baseline and 8 weeks

	Cronbach alpha	SD	SEM	Cross-sectional precision interval (95% CI)
Baseline
Pain	0.96	10.8	2.13	+/− 4.18
Function	0.98	10.76	1.56	+/− 3.03
Total	0.98	21.09	2.67	+/− 5.23
8 weeks
Pain	0.89	10.74	3.50	+/− 6.85
Function	0.95	11.20	2.58	+/− 5.05
Total	0.96	20.59	4.37	+/− 8.56

Abbreviations: CI, confidence interval; SD, standard deviation; SEM, Standard Error of the Measurement

ISSN: 1477-7525