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Table 5 Accuracy, cutoff, sensitivity and specificity values for the score of change (Minimally Important Change) and cut-off score for Exercise Adherence Rating Scale - Brazilian Portuguese (EARS-Br) in relation to Global Perceived Effect (GPE) (n = 83)

From: The Brazilian Portuguese version of the Exercise Adherence Rating Scale (EARS-Br) showed acceptable reliability, validity and responsiveness in chronic low back pain

 

Patients that improved

AUC (C.I. 95%)

Cutoff

Sensitivity

Specificity

EARS-Br (change score) vs GPE

56 (22.48, SD = 3.07)

0.82 (0.73–0.91)

5.5

0.93

0.48

EARS-Br (cutoff score) vs GPE

56 (22.48, SD = 3.07)

0.89 (0.79–0.98)

17.5

0.82

0.89

  1. ROC> 0.9: high accuracy, 0.7 < ROC < 0.9: moderate accuracy, 0.5 < ROC < 0.7: low accuracy and ROC < 0.5: random outcome
  2. AUC = Area Under the Curve
  3. SD = standard deviation
  4. GPE = Global Perceived Effect scale
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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