Publication date: January 2019
Source: Archives of Physical Medicine and Rehabilitation, Volume 100, Issue 1
Author(s): Jeff Houck, Daniel Kang, Tyler Cuddeford, Sarah Rahkola
Abstract
Objectives
To determine if the Patient-Reported Outcome Measurement Information System (PROMIS) physical function, pain interference, self-efficacy, and global rating of normal function (GRNF) scales are able to accurately characterize a patient’s acceptable symptom state (PASS).
Design
A cross-sectional analysis, using receiver operator curves and chi-square analysis to explore criteria to determine thresholds (80% and 95% sensitivity/specificity) for PASS that are applicable to PROMIS and GRNF scales.
Setting
Phone survey after primary care.
Participants
Patients (N=94) attending primary care for musculoskeletal problems.
Interventions
Not applicable.
Main Outcomes Measures
Accuracy and proportion of patients classified as PASS Yes or No.
Results
Receiver operator curve analysis showed significant area under the curve (AUC) values for each PROMIS scale (AUC>.72) and the GRNF rating (AUC=.74). Identified PROMIS thresholds suggested PASS was achieved when scores were at or slightly worse than the US population average. A score of ≥7 and ≤4 characterized patients that were PASS Yes and No, respectively, on the GRNF rating. A moderate (80%) specificity/sensitivity criteria yielded 72.3%-73.5% accuracy for a majority of participants (>69.9%).
Conclusion
This analysis suggests the PROMIS and GRNF scales are able to characterize PASS status with moderate accuracy (∼70%) for a large portion of patients (∼70%). New to this study is the association of self-efficacy with PASS status. PROMIS scales at or slightly worse than the US population average characterized PASS status.
from ScienceDirect Publication: Archives of Physical Medicine and Rehabilitation http://bit.ly/2EJ5vQt
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