PROMIS physical function correlation with NDI and mJOA in the surgical cervical myelopathy patient population

Robert J. Owen, Lukas P. Zebala, Colleen Peters, Steven McAnany

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Study Design. Retrospective review. Objective. To determine the correlation of Patient-Reported Outcomes Measurement Information System (PROMIS) physical function with Neck Disability Index (NDI) and Modified Japanese Orthopedic Association (mJOA) scores in the surgical cervical myelopathy patient population. Summary of Background Data. Outcome measures such as NDI and mJOA are essential for analyzing treatments for cervical myelopathy. Administrative burdens impose limits on completion of these measures. The PROMIS group developed an outcome measure to improve reporting of patient symptoms and function and to reduce administrative burden. Despite early success, NDI and mJOA have not been compared with PROMIS in patients with cervical myelopathy. This study determines the correlation of NDI and mJOA with PROMIS in surgical patients with cervical myelopathy. Methods. A total of 60 patients with cervical myelopathy undergoing surgery were included. PROMIS, NDI, and mJOA were collected preoperatively, and in the first 6 months postoperatively. Correlations between NDI, mJOA, and PROMIS were quantified using Pearson correlation coefficients. Students t tests were used to test significance. Results. All 60 (100%) of patients completed preoperative questionnaires. Fifty-five (92%) of patients completed initial follow-up questionnaires within the first 6 months. PROMIS physical function and NDI demonstrated a strong negative correlation at baseline and in initial follow-up (R=-0.69, -0.76). PROMIS and mJOA demonstrated a strong positive correlation at baseline and in initial follow-up (R=0.61, 0.72). Conclusion. PROMIS physical function has a strong negative correlation with NDI and a strong positive correlation with mJOA at baseline and in the early postoperative course in patients undergoing surgery for cervical myelopathy. Surgeons may factor these outcomes into the delivery and interpretation of patient-reported outcome measures in this population. Use of PROMIS may improve completion of outcome measures in the office and reduce administrative burden while still providing reliable outcomes data.

Original languageEnglish
Pages (from-to)550-555
Number of pages6
JournalSpine
Volume43
Issue number8
DOIs
StatePublished - Apr 15 2018

Keywords

  • Cervical
  • Correlation
  • Function
  • MJOA
  • Measure
  • Myelopathy
  • NDI
  • Outcome
  • PROMIS
  • Spine

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