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J Shoulder Elbow Surg. 2019 Feb;28(2):324-329. doi: 10.1016/j.jse.2018.07.024. Epub 2018 Oct 18.

Psychometric evaluation of the Patient-Reported Outcomes Measurement Information System (PROMIS) Physical Function and Pain Interference Computer Adaptive Test for subacromial impingement syndrome.

Author information

1
Department of Orthopaedics, University of Rochester Medical Center, Rochester, NY, USA.
2
Department of Orthopaedics, University of Utah, Salt Lake City, UT, USA.
3
Department of Orthopaedics, University of Rochester Medical Center, Rochester, NY, USA. Electronic address: ilya_voloshin@urmc.rochester.edu.

Abstract

BACKGROUND:

The Patient-Reported Outcomes Measurement Information System (PROMIS) Physical Function Computer Adaptive Test (CAT) was previously validated for rotator cuff disease and shoulder instability. This study evaluated the psychometric properties of the PROMIS Physical Function (PF) CAT, PROMIS Pain Interference (PI) CAT, and the American Shoulder and Elbow Surgeons (ASES) Shoulder Function Score for subacromial impingement syndrome.

METHODS:

PROMIS PF CAT, PI CAT, and ASES (Pain, Function, Total) were collected on all visits for 2 surgeons between January 2016 and August 2016. New patients, aged 18 years and older, were selected by International Classification of Diseases code for impingement syndrome of the shoulder. The mean number of questions answered determined efficiency. Person-item maps were created to determine ceiling and floor effects as well as person reliability. Convergent validity was determined by comparison of PROMIS domains to ASES scores with Pearson correlations.

RESULTS:

For PROMIS PF CAT, the mean number of items answered was 4.54 (range 4-12). The ceiling effect was 1.56%, and the floor effect was 3.13%. The person reliability was 0.94. Pearson correlation coefficients between the PF CAT and ASES were 0.664 (ASES Function), 0.426 (ASES Pain), and 0.649 (ASES Total). For PROMIS PI CAT, the mean number of items answered was 4.27 (range 3-11). The ceiling effect was 4.69%, and the floor effect was 8.33%. The person reliability was 0.92. Pearson correlation coefficients between the PI CAT and ASES were: 0.667 (ASES Function), 0.594 (ASES Pain), and 0.729 (ASES Total).

CONCLUSIONS:

The psychometric properties of PROMIS PF and PI CATs were favorable for subacromial impingement syndrome.

KEYWORDS:

ASES; CAT; PROMIS; pain interference; physical function; shoulder diagnoses

PMID:
30343864
DOI:
10.1016/j.jse.2018.07.024
[Indexed for MEDLINE]

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