Validation of Patient Reported Outcomes Measurement Information System (PROMIS) Computer Adaptive Tests (CATs) in the Surgical Treatment of Lumbar Spinal Stenosis

Study Design. Prospective, cohort study. Objective. Demonstrate validity of Patient reported outcomes measurement information system (PROMIS) physical function, pain interference, and pain behavior computer adaptive tests (CATs) in surgically treated lumbar stenosis patients. Summary of Background Data. There has been increasing attention given to patient reported outcomes associated with spinal interventions. Historical patient outcome measures have inadequate validation, demonstrate floor/ceiling effects, and infrequently used due to time constraints. PROMIS is an adaptive, responsive National Institutes of Health (NIH) assessment tool that measures patient-reported health status. Methods. Ninety-eight consecutive patients were surgically treated for lumbar spinal stenosis and were assessed using PROMIS CATs, Oswestry disability index (ODI), Zurich Claudication Questionnaire (ZCQ), and Short-Form 12 (SF-12). Prior lumbar surgery, history of scoliosis, cancer, trauma, or infection were excluded. Completion time, preoperative assessment, 6 weeks and 3 months postoperative scores were collected. Results. At baseline, 49%, 79%, and 81% of patients had PROMIS pain behavior (PB), pain interference (PI), and physical function (PF) scores greater than 1 standard deviation (SD) worse than the general population. 50.6% were categorized as severely disabled, crippled, or bed bound by ODI. PROMIS CATs demonstrated convergent validity through moderate to high correlations ...
Source: Spine - Category: Orthopaedics Tags: SURGERY Source Type: research