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Comparison of Psychometric Properties of Patient-Reported Outcomes Measurement Information System With Traditional
Emily Arciero1, Sohil Desai, Josephine Coury
1Department of Orthopedic Surgery, Columbia University Irving Medical Center, New York, New York.
Objective:
Patient-Reported Outcomes Measurement Information System (PROMIS) was developed to address certain shortcomings of traditional, or legacy patient-reported outcome measures (PROMs). Because the use of PROMIS across orthopedic populations continues to increase, the purpose of this study was to provide a comprehensive overview of the use and validation of PROMIS in spine surgery.
Methods:
PubMed and Google Scholar were searched for relevant articles reporting on the use and validation of PROMIS in spine surgery. The PROMIS formats and individual domains used by investigators were noted. Additionally, psychometric properties reported in validation studies were evaluated.
Results:
Both individual studies and systematic reviews have demonstrated the convergent validity of PROMIS domains, reporting moderate-to-strong correlations with legacy measures in a variety of spine patient populations. Across spine surgery patient populations, PROMIS instruments are consistently efficient, demonstrating decreased question burden compared with legacy PROMs. PROMIS domains overall exhibit responsiveness comparable with legacy measures, and the normalization of PROMIS scores to a general population allows for broad coverage, resulting in acceptable floor and ceiling effects. Despite the many strengths of PROMIS, there remain some populations where PROMIS is not suited to be used in isolation.
Conclusions:
PROMIS is widely used as an outcome measure in spine surgery and has been validated in a range of patient populations. Although PROMIS domains cannot fully replace legacy measures in spine patients, they can be used in certain settings to provide an efficient and psychometrically sound PROM.
