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Journal of Patient-Reported Outcomes

Table 4 The MIC values and diagnostic accuracy parameters of the COPM-P and COPM-S

From: Examining minimal important change of the Canadian Occupational Performance Measure for subacute rehabilitation hospital inpatients

Parameters

COPM-P

COPM-S

Estimate

95% confidence interval

Estimate

95% confidence interval

Lower

Upper

Lower

Upper

MICMeanChange

2.62

2.24

3.00

2.78

2.36

3.20

MICROC

1.75

–

–

2.25

–

–

Area under the Curve

0.72

0.58

0.85

0.84

0.75

0.93

Sensitivity

0.70

0.59

0.80

0.66

0.55

0.76

Specificity

0.71

0.44

0.90

0.94

0.71

1.00

Positive Predictive Value

0.92

0.82

0.97

0.98

0.90

1.00

Negative Predictive Value

0.33

0.19

0.51

0.37

0.23

0.53

Accuracy

0.70

0.60

0.79

0.71

0.61

0.80

Positive Likelihood Ratio

2.38

1.12

5.04

11.26

1.67

75.90

Negative Likelihood Ratio

0.43

0.27

0.67

0.36

0.26

0.50

MICpredict

2.71

2.27

3.16

2.79

2.35

3.22

MICadjust*

2.20

1.80

2.59

2.06

1.73

2.39

  1. COPM-P Canadian Occupational Performance Measure Performance score, COPM-S Canadian Occupational Performance Measure Satisfaction score
  2. *MICadjust: adjusted MICpredict for the proportion of improved patients
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