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  • Title: Effect of patients' functional status on satisfaction with outcomes 12 months after elective spine surgery for lumbar degenerative disease.
    Author: Chotai S, Devin CJ, Archer KR, Bydon M, McGirt MJ, Nian H, Harrell FE, Dittus RS, Asher AL, QOD Vanguard Sites.
    Journal: Spine J; 2017 Dec; 17(12):1783-1793. PubMed ID: 28970074.
    Abstract:
    BACKGROUND: Comprehensive assessment of quality of care includes patient-reported outcomes, safety of care delivered, and patient satisfaction. The impact of the patient-reported Oswestry Disability Index (ODI) scores at baseline and 12 months on satisfaction with outcomes following spine surgery is not well documented. PURPOSE: This study aimed to determine the impact of patient disability (ODI) scores at baseline and 12 months on satisfaction with outcomes following surgery. STUDY DESIGN: Analysis of prospectively collected longitudinal web-based multicenter data. PATIENT SAMPLE: Patients undergoing elective surgery for degenerative lumbar disease were entered into a prospective multicenter registry. OUTCOME MEASURES: Primary outcome measures were ODI, North American Spine Society satisfaction (NASS) questionnaire. METHODS: Baseline and 12-month ODI scores were recorded. Satisfaction at 12 months after surgery was measured using NASS questionnaire. Multivariable proportional odds logistic regression analysis was conducted to determine the impact of baseline and 12-month ODI on satisfaction with outcomes. RESULTS: Of the total 5,443 patients, 64% (n=3,460) were satisfied at a level where surgery met their expectations (NASS level 1) at 12 months after surgery. After adjusting for all baseline and surgery-specific variables, the 12-month ODI score had the highest impact (Wald χ2=1,555, 86% of the total χ2) on achieving satisfaction with outcomes compared with baseline ODI scores (Wald χ2=93, 5% of the total χ2). The level of satisfaction decreases with increasing 12-month ODI score. Greater change in ODI is required to achieve a better satisfaction level when the patient starts with a higher baseline ODI score. CONCLUSION: Absolute 12-month ODI following surgery had a significant association on satisfaction with outcomes 12 months after surgery. Patients with higher baseline ODI required a larger change in ODI score to achieve satisfaction. No single measure can be used as a sole yardstick to measure quality of care after spine surgery. Satisfaction may be used in conjunction with baseline and 12-month ODI scores to provide an assessment of the quality of spine surgery provided in a patient centric fashion.
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