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Comment
. 2020 Sep 7;18(1):301.
doi: 10.1186/s12955-020-01555-1.

Methodological and interpretive concerns about Beemster et al.'s article 'The interpretation of change score of the pain disability index after vocational rehabilitation is baseline dependent': a letter to the editor

Laura Wilma Maria Elisabeth Beckers  1 , Rob Johannes Elise Marie Smeets  2   3
Affiliations
Comment

Methodological and interpretive concerns about Beemster et al.'s article 'The interpretation of change score of the pain disability index after vocational rehabilitation is baseline dependent': a letter to the editor

Laura Wilma Maria Elisabeth Beckers et al. Health Qual Life Outcomes. .

Abstract

This is a critique of Beemster et al.'s article 'The interpretation of change score of the pain disability index after vocational rehabilitation is baseline dependent' (2018). The methodological issues in question include the choices of anchor to determine the minimal important change, and the intraclass correlation coefficient on which the calculation of the standard error of measurement was based. We believe these undermine the authors' interpretation.

Keywords: Chronic musculoskeletal pain; Minimal important change; Pain Disability Index; Smallest detectable change; Standard error of measurement.

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Conflict of interest statement

The authors declare that they have no competing interests.

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References

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