Correlation and Crosswalks Between Patient-Reported Functional Outcomes and PROMIS Physical Function Among Medically Ill Patients

Elizabeth Marfeo, Pengsheng Ni, Chun Wang, David Weiss, Andrea L. Cheville

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

OBJECTIVES: To develop scoring crosswalks between a new multidomain patient-reported outcome measure, the Functional Assessment in Acute Care (FAMCAT), with a Patient-Reported Outcomes Measurement (PROMIS) measure of physical function, and examine correlations with existing legacy instruments.

DESIGN: Cross-sectional, single-group design study.

SETTING: Large, Midwestern academic teaching hospital.

PARTICIPANTS: A sample of patients (N=1885; 53% men; average age, 62±16y) hospitalized on the general medical services between May 2016 and June 2017.

INTERVENTION: Not applicable.

MAIN OUTCOME MEASURES: Scores from the FAMCAT administered via computerized adaptive testing were compared with scores on the 8-item PROMIS Physical Function (PROMIS PF) short form.

RESULTS: Correlations with the FAMCAT and the PROMIS PF were strong for initial scores (MCAT_Mobilty: r=0.78, P<.0001; MCAT_DailyAct: r=0.81, P<.0001). The Applied Cognition scale did not demonstrate adequate correlations and thus was not a candidate for crosswalk scores. Although the MCAT_Mobility scale could be initially linked, subsequent analysis did not support a valid crosswalk. Linking criteria were applied with the Daily Activity scale to developing a final concordance table.

CONCLUSIONS: The FAMCAT Daily Activity scale yielded robust correlations to develop crosswalk scores with the PROMIS PF. The resulting crosswalk conversion metric may be useful to compare outcomes across these constructs for assessing functional abilities among patients on general medical services. The Applied Cognition and Basic Mobility scales did not meet the criteria; therefore, alternate legacy instruments are needed to develop additional crosswalks.

Original languageEnglish (US)
Pages (from-to)S15-S23.e2
JournalArchives of Physical Medicine and Rehabilitation
Volume103
Issue number5
DOIs
StatePublished - May 2022

Bibliographical note

Funding Information:
Supported by the NICHD R01 (5R01HD079439-03) grant.

Publisher Copyright:
© 2022 American Congress of Rehabilitation Medicine

Keywords

  • Calibration
  • Hospitals
  • Outcome measures
  • Rehabilitation
  • Cross-Sectional Studies
  • Humans
  • Middle Aged
  • Male
  • Activities of Daily Living
  • Physical Therapy Modalities
  • Female
  • Aged
  • Patient Reported Outcome Measures

PubMed: MeSH publication types

  • Journal Article
  • Research Support, N.I.H., Extramural

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