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Table 4 SDC and MIC using two different anchors and two different ways to dichotomize GPE scores (N = 99)

From: The influence of study population and definition of improvement on the smallest detectable change and the minimal important change of the neck disability index

  

SDC

MIC

Sensitivity

Specificity

Pain

Unchanged = GPE 4 (N = 23)

11.5

2.5

0.739

0.806

 

Unchanged = GPE 3-5 (N = 42)

11.0

2.5

0.690

0.927

Function

Unchanged = GPE 4 (N = 26)

11.8

2.5

0.731

0.829

 

Unchanged = GPE 3-5 (N = 45)

11.0

2.5

0.644

0.925

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Health and Quality of Life Outcomes

ISSN: 1477-7525

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