Inter-rater reliability, sensitivity to change and responsiveness of the orthopaedic Wolf-Motor-Function-Test as functional capacity measure before and after rehabilitation in patients with proximal humeral fractures
| Autor: | Corinna Nerz; Lars Schwickert; Sabine Schölch; Katharina Gordt; Philip-Christian Nolte; Inga Kröger; Peter Augat; Clemens Becker |
|---|---|
| Sprache: | Englisch |
| Veröffentlicht: |
2019 |
| Quelle: | Directory of Open Access Journals: DOAJ Articles |
| Online Zugang: |
http://link.springer.com/article/10.1186/s12891-019-2691-0 https://doaj.org/toc/1471-2474 doi:10.1186/s12891-019-2691-0 1471-2474 https://doaj.org/article/a95b19164b7e4083b0f9a01f45732679 https://doi.org/10.1186/s12891-019-2691-0 https://doaj.org/article/a95b19164b7e4083b0f9a01f45732679 |
| Erfassungsnummer: | ftdoajarticles:oai:doaj.org/article:a95b19164b7e4083b0f9a01f45732679 |
Zusammenfassung
Abstract Background The incidence of proximal humeral fractures (PHF) increased by more than 30% over the last decade, which is accompanied by an increased number of operations. However, the evidence on operative vs. non-operative treatment and post-operative treatments is limited and mostly based on expert opinion. It is mandatory to objectively assess functional capacity to compare different treatments. Clinical tools should be valid, reliable and sensitive to change assessing functional capacity after PHFs. This study aimed to analyse inter-rater reliability of the videotaped Wolf-Motor-Function-Test-Orthopaedic (WMFT-O) and the association between the clinical WMFT-O and the Disability of the Arm, Shoulder and Hand (DASH) and to determine the sensitivity to change of the WMFT-O and the DASH to measure functional capacity before and after rehabilitation in PHF patients. Methods Fifty-six patients (61.7 ± 14.7 years) after surgical treatment of PHF were assessed using the WMFT-O at two different time points. To determine inter-rater reliability, the videotaped WMFT-O was evaluated through three blinded raters. Inter-rater agreement was determined by Fleiss’ Kappa statistics. Pearson correlation coefficients were calculated to assess the association between the clinical WMFT-O and the video rating as well as the DASH. Sensitivity to change and responsiveness were analysed for the WMFT-O and the DASH in a subsample of forty patients (53.8 ± 1.4 years) who were assessed before and after a three week robotic-assisted training intervention. Results Inter-rater agreement was indicated by Fleiss’ Kappa values ranging from 0.33–0.66 for functional capacity and from 0.27–0.54 for quality of movement. The correlation between the clinical WMFT-O and the video rating was higher than 0.77. The correlation between the clinical WMFT-O and the DASH was weak. Sensitivity to change was high for the WMFT-O and the DASH and responsiveness was given. In comparison to the DASH, the sensitivity to change of the WMFT-O was higher. ...