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

@inproceedings{Schuller2014TheIO,
  title={The influence of study population and definition of improvement on the smallest detectable change and the minimal important change of the neck disability index},
  author={Wouter Schuller and Raymond W. J. G. Ostelo and Richard Janssen and H C W de Vet},
  booktitle={Health and quality of life outcomes},
  year={2014}
}
BACKGROUND Reported values of the minimal important change (MIC) and the smallest detectable change (SDC) for the neck disability index (NDI) differ strongly, raising questions about the generalizability of these parameters. The SDC and the MIC are possibly influenced by the study design or by the study population. We studied the influence of the type of anchor, the definition of improvement and population characteristics on the SDC and the MIC of the NDI. METHODS A cohort study including 101… CONTINUE READING

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