Key result
Patient-reported outcome measures of general physical function were strongly correlated with Physical Performance Test sum scores (r > 0.75).
Why the study?
The study aimed to determine the relationship between frequently used patient-reported outcome measures and a multitask performance outcome measure of general physical function, and examine their associations with depressive mood, pain, and age.
How do patient-reported outcome measures of physical function correlate with multitask performance outcome measures in adult inpatients?
Cross-Sectional (n=78)
No
How do patient-reported outcome measures of physical function correlate with multitask performance outcome measures in adult inpatients?
Effect estimate: r > 0.75
Frequently used patient-reported outcome measures of physical function strongly correlate with objective multitask performance tests, though PROs are influenced by self-rated pain intensity.
PROs may proxy performance tests in inpatients; leaves open substitution after pain adjustment in practice.
OBJECTIVES: This study aimed to determine the relationship between frequently used patient-reported outcome (PRO) measures and a multitask performance outcome (PerfO) measure of general physical function (PF) and to examine the association of these measures with depressive mood, pain, and age. METHODS: Frequently used PRO measures of general PF (Patient-Reported Outcomes Measurement Information System [PROMIS] PF item bank, PROMIS PF Short Form 20a, Short Form 36 Physical Function Scale) and a PerfO test battery, namely, the Physical Performance Test (PPT), were administered to 78 adult patients from 3 inpatient clinics (cardiology and angiology, rheumatology and clinical immunology, and psychosomatic medicine) at Charité - Universitätsmedizin Berlin. Pearson correlations were used to investigate the associations between PRO measures and the PPT. To explore the predictive value of age, depressive symptoms, and pain intensity, we conducted multiple linear regression analysis for each PF measure. RESULTS: We found strong linear relationships between PRO measures and PPT sum scores. Correlations between PPT sum scores and PROMIS PF T-scores were r > 0.75. For all PRO and PerfO measures, age was a predictor of general PF whereas depressive mood was not found to be a relevant predictor. Moreover, pain intensity was found to be a significant predictor of PRO measures but not for PPT sum scores. CONCLUSIONS: Our findings suggest that frequently used PRO measures and a multitask PerfO measure of general PF can be used to measure a common PF construct. Nevertheless, PF scores based on PRO measures should ideally be controlled for self-rated pain intensity.
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Liegl et al. (2022) conducted a cross-sectional in Inpatients from cardiology, angiology, rheumatology, clinical immunology, and psychosomatic medicine (n=78). Patient-reported outcome (PRO) measures of general physical function vs. Physical Performance Test (PPT) was evaluated on Correlation between PRO measures and PPT sum scores (r > 0.75). Patient-reported outcome measures of general physical function were strongly correlated with Physical Performance Test sum scores (r > 0.75).
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