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

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

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