Advocacy for use of the modified Iowa Level of Assistance Scale for clinical use in patients after hip replacement: an observational study

Jordi Elings (Corresponding Author), Siebrand Zoethout, Peter M. ten Klooster, Geert van der Sluis, Steven van Gaalen, Nico L.U. van Meeteren, Thomas J. Hoogeboom

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Abstract

Objectives: o test the internal consistency and item difficulty of the modified Iowa Level of Assistance Scale (mILAS).
Design: Retrospective observational study.
Setting: Two orthopaedic wards of two general hospitals.
Participants"Following elective primary unilateral total hip replacement surgery, all participants performed mILAS activities that were scored daily to assess their recovery of activities during hospitalisation.
Main outcome measures: The internal consistency and the level of assistance needed by the patient (item difficulty) of the mILAS were calculated using data from Hospital X (n = 255). A cross-validation was performed using data from Hospital Y (n = 224).
Results: The internal consistency of the mILAS was acceptable on all three postoperative days (α=0.84 to 0.97). Cronbach’s α and Rasch analysis revealed a misfit of stair climbing with the other items of the mILAS. The item difficulty of the mILAS items changed over the first two postoperative days. During the first three postoperative days, the sit to supine transfer was generally the most difficult item to achieve, and the sit to stand transfer was the least difficult item to achieve as rated by physiotherapists. The cross-validation analysis revealed similar results.
Conclusions: The mILAS is a clinically sound measurement tool to assess the ability of patients to perform five functional tasks safely during hospitalisation. Stair climbing appears to be the easiest item to complete, and the sit to supine transfer is generally the most difficult after surgery.
Original languageEnglish
Pages (from-to)108–113
Number of pages6
JournalPhysiotherapy
Volume105
Issue number1
DOIs
Publication statusPublished - Mar 2019

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Observational Studies
Hip
Hospitalization
Hip Replacement Arthroplasties
Physical Therapists
General Hospitals
Orthopedics
Retrospective Studies
Outcome Assessment (Health Care)

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Elings, Jordi ; Zoethout, Siebrand ; ten Klooster, Peter M. ; van der Sluis, Geert ; van Gaalen, Steven ; van Meeteren, Nico L.U. ; Hoogeboom, Thomas J. / Advocacy for use of the modified Iowa Level of Assistance Scale for clinical use in patients after hip replacement : an observational study. In: Physiotherapy. 2019 ; Vol. 105, No. 1. pp. 108–113.
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abstract = "Objectives: o test the internal consistency and item difficulty of the modified Iowa Level of Assistance Scale (mILAS).Design: Retrospective observational study.Setting: Two orthopaedic wards of two general hospitals.Participants{"}Following elective primary unilateral total hip replacement surgery, all participants performed mILAS activities that were scored daily to assess their recovery of activities during hospitalisation.Main outcome measures: The internal consistency and the level of assistance needed by the patient (item difficulty) of the mILAS were calculated using data from Hospital X (n = 255). A cross-validation was performed using data from Hospital Y (n = 224).Results: The internal consistency of the mILAS was acceptable on all three postoperative days (α=0.84 to 0.97). Cronbach’s α and Rasch analysis revealed a misfit of stair climbing with the other items of the mILAS. The item difficulty of the mILAS items changed over the first two postoperative days. During the first three postoperative days, the sit to supine transfer was generally the most difficult item to achieve, and the sit to stand transfer was the least difficult item to achieve as rated by physiotherapists. The cross-validation analysis revealed similar results.Conclusions: The mILAS is a clinically sound measurement tool to assess the ability of patients to perform five functional tasks safely during hospitalisation. Stair climbing appears to be the easiest item to complete, and the sit to supine transfer is generally the most difficult after surgery.",
author = "Jordi Elings and Siebrand Zoethout and {ten Klooster}, {Peter M.} and {van der Sluis}, Geert and {van Gaalen}, Steven and {van Meeteren}, {Nico L.U.} and Hoogeboom, {Thomas J.}",
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Advocacy for use of the modified Iowa Level of Assistance Scale for clinical use in patients after hip replacement : an observational study. / Elings, Jordi (Corresponding Author); Zoethout, Siebrand; ten Klooster, Peter M.; van der Sluis, Geert; van Gaalen, Steven; van Meeteren, Nico L.U.; Hoogeboom, Thomas J.

In: Physiotherapy, Vol. 105, No. 1, 03.2019, p. 108–113.

Research output: Contribution to journalArticleAcademicpeer-review

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T2 - an observational study

AU - Elings, Jordi

AU - Zoethout, Siebrand

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AU - van der Sluis, Geert

AU - van Gaalen, Steven

AU - van Meeteren, Nico L.U.

AU - Hoogeboom, Thomas J.

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N2 - Objectives: o test the internal consistency and item difficulty of the modified Iowa Level of Assistance Scale (mILAS).Design: Retrospective observational study.Setting: Two orthopaedic wards of two general hospitals.Participants"Following elective primary unilateral total hip replacement surgery, all participants performed mILAS activities that were scored daily to assess their recovery of activities during hospitalisation.Main outcome measures: The internal consistency and the level of assistance needed by the patient (item difficulty) of the mILAS were calculated using data from Hospital X (n = 255). A cross-validation was performed using data from Hospital Y (n = 224).Results: The internal consistency of the mILAS was acceptable on all three postoperative days (α=0.84 to 0.97). Cronbach’s α and Rasch analysis revealed a misfit of stair climbing with the other items of the mILAS. The item difficulty of the mILAS items changed over the first two postoperative days. During the first three postoperative days, the sit to supine transfer was generally the most difficult item to achieve, and the sit to stand transfer was the least difficult item to achieve as rated by physiotherapists. The cross-validation analysis revealed similar results.Conclusions: The mILAS is a clinically sound measurement tool to assess the ability of patients to perform five functional tasks safely during hospitalisation. Stair climbing appears to be the easiest item to complete, and the sit to supine transfer is generally the most difficult after surgery.

AB - Objectives: o test the internal consistency and item difficulty of the modified Iowa Level of Assistance Scale (mILAS).Design: Retrospective observational study.Setting: Two orthopaedic wards of two general hospitals.Participants"Following elective primary unilateral total hip replacement surgery, all participants performed mILAS activities that were scored daily to assess their recovery of activities during hospitalisation.Main outcome measures: The internal consistency and the level of assistance needed by the patient (item difficulty) of the mILAS were calculated using data from Hospital X (n = 255). A cross-validation was performed using data from Hospital Y (n = 224).Results: The internal consistency of the mILAS was acceptable on all three postoperative days (α=0.84 to 0.97). Cronbach’s α and Rasch analysis revealed a misfit of stair climbing with the other items of the mILAS. The item difficulty of the mILAS items changed over the first two postoperative days. During the first three postoperative days, the sit to supine transfer was generally the most difficult item to achieve, and the sit to stand transfer was the least difficult item to achieve as rated by physiotherapists. The cross-validation analysis revealed similar results.Conclusions: The mILAS is a clinically sound measurement tool to assess the ability of patients to perform five functional tasks safely during hospitalisation. Stair climbing appears to be the easiest item to complete, and the sit to supine transfer is generally the most difficult after surgery.

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