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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