Towards standardized patient reported physical function outcome reporting

linking ten commonly used questionnaires to a common metric

M. A.H. Oude Voshaar, H. E. Vonkeman, D. Courvoisier, A. Finckh, L. Gossec, Y. Y. Leung, Kaleb D Michaud, G. Pinheiro, E. Soriano, N. Wulfraat, A. Zink, M. A.F.J. van de Laar

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Objectives: Outcomes obtained using different physical function patient reported outcome measures (PROMs) are difficult to compare. To facilitate standardization of physical function outcome measurement and reporting we developed an item response theory (IRT) based standardized physical function score metric for ten commonly used physical function PROMs. Methods: Data of a total of 16,386 respondents from representative cohorts of patients with rheumatic diseases as well as the Dutch general population were used to map the items of ten commonly used physical function PROMs on a continuous latent physical function variable. The resulting IRT based common metric was cross-validated in an independent dataset of 243 patients with gout, osteoarthritis or polymyalgia in which four of the linked PROMs were administered. Results: Our analyses supported that all 97 items of the ten included PROMs relate to a single underlying physical function variable and that responses to each item could be described by the generalized partial credit IRT model. In the cross-validation analyses we found congruent mean scores for four different PROMs when the IRT based scoring procedures were used. Conclusions: We showed that the standardized physical function score metric developed in this study can be used to facilitate standardized reporting of physical function outcomes for ten commonly used make physical function PROMs.

Original languageEnglish (US)
Pages (from-to)187-197
Number of pages11
JournalQuality of Life Research
Volume28
Issue number1
DOIs
StatePublished - Jan 15 2019

Fingerprint

Patient Advocacy
Gout
Surveys and Questionnaires
Patient Reported Outcome Measures
Rheumatic Diseases
Osteoarthritis
Population
Datasets

Keywords

  • Common metric
  • Item bank
  • Item response theory
  • Patient reported outcomes
  • Physical function

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

Cite this

Oude Voshaar, M. A. H., Vonkeman, H. E., Courvoisier, D., Finckh, A., Gossec, L., Leung, Y. Y., ... van de Laar, M. A. F. J. (2019). Towards standardized patient reported physical function outcome reporting: linking ten commonly used questionnaires to a common metric. Quality of Life Research, 28(1), 187-197. https://doi.org/10.1007/s11136-018-2007-0

Towards standardized patient reported physical function outcome reporting : linking ten commonly used questionnaires to a common metric. / Oude Voshaar, M. A.H.; Vonkeman, H. E.; Courvoisier, D.; Finckh, A.; Gossec, L.; Leung, Y. Y.; Michaud, Kaleb D; Pinheiro, G.; Soriano, E.; Wulfraat, N.; Zink, A.; van de Laar, M. A.F.J.

In: Quality of Life Research, Vol. 28, No. 1, 15.01.2019, p. 187-197.

Research output: Contribution to journalArticle

Oude Voshaar, MAH, Vonkeman, HE, Courvoisier, D, Finckh, A, Gossec, L, Leung, YY, Michaud, KD, Pinheiro, G, Soriano, E, Wulfraat, N, Zink, A & van de Laar, MAFJ 2019, 'Towards standardized patient reported physical function outcome reporting: linking ten commonly used questionnaires to a common metric', Quality of Life Research, vol. 28, no. 1, pp. 187-197. https://doi.org/10.1007/s11136-018-2007-0
Oude Voshaar, M. A.H. ; Vonkeman, H. E. ; Courvoisier, D. ; Finckh, A. ; Gossec, L. ; Leung, Y. Y. ; Michaud, Kaleb D ; Pinheiro, G. ; Soriano, E. ; Wulfraat, N. ; Zink, A. ; van de Laar, M. A.F.J. / Towards standardized patient reported physical function outcome reporting : linking ten commonly used questionnaires to a common metric. In: Quality of Life Research. 2019 ; Vol. 28, No. 1. pp. 187-197.
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