{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T04:32:47Z","timestamp":1768797167370,"version":"3.49.0"},"reference-count":28,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:sec><jats:title>OBJECTIVE<\/jats:title><jats:p>Medical comorbidities, particularly preoperatively diagnosed anxiety, depression, and obesity, may influence how patients perceive and measure clinical benefit after a surgical intervention. The current study was performed to define and compare the minimum clinically important difference (MCID) thresholds in patients with and without preoperative diagnoses of anxiety or depression and obesity who underwent spinal fusion for grade 1 degenerative spondylolisthesis.<\/jats:p><\/jats:sec><jats:sec><jats:title>METHODS<\/jats:title><jats:p>The Quality Outcomes Database (QOD) was queried for patients who underwent lumbar fusion for grade 1 degenerative spondylolisthesis during the period from January 2014 to August 2017. Collected patient-reported outcomes (PROs) included the Oswestry Disability Index (ODI), health status (EQ-5D), and numeric rating scale (NRS) scores for back pain (NRS-BP) and leg pain (NRS-LP). Both anchor-based and distribution-based methods for MCID calculation were employed.<\/jats:p><\/jats:sec><jats:sec><jats:title>RESULTS<\/jats:title><jats:p>Of 462 patients included in the prospective registry who underwent a decompression and fusion procedure, 356 patients (77.1%) had complete baseline and 12-month PRO data and were included in the study. The MCID values for ODI scores did not significantly differ in patients with and those without a preoperative diagnosis of obesity (20.58 and 20.69, respectively). In addition, the MCID values for ODI scores did not differ in patients with and without a preoperative diagnosis of anxiety or depression (24.72 and 22.56, respectively). Similarly, the threshold MCID values for NRS-BP, NRS-LP, and EQ-5D scores were not statistically different between all groups. Based on both anchor-based and distribution-based methods for determination of MCID thresholds, there were no statistically significant differences between all cohorts.<\/jats:p><\/jats:sec><jats:sec><jats:title>CONCLUSIONS<\/jats:title><jats:p>MCID thresholds were similar for ODI, EQ-5D, NRS-BP, and NRS-LP in patients with and without preoperative diagnoses of anxiety or depression and obesity undergoing spinal fusion for grade 1 degenerative spondylolisthesis. Preoperative clinical and shared decision-making may be improved by understanding that preoperative medical comorbidities may not affect the way patients experience and assess important clinical changes postoperatively.<\/jats:p><\/jats:sec>","DOI":"10.3171\/2020.4.spine20296","type":"journal-article","created":{"date-parts":[[2020,7,24]],"date-time":"2020-07-24T07:16:47Z","timestamp":1595575007000},"page":"635-642","source":"Crossref","is-referenced-by-count":9,"title":["Effects of preoperative obesity and psychiatric comorbidities on minimum clinically important differences for lumbar fusion in grade 1 degenerative spondylolisthesis: analysis from the prospective Quality Outcomes Database registry"],"prefix":"10.3171","volume":"33","author":[{"given":"Joseph","family":"Laratta","sequence":"first","affiliation":[{"name":"Norton Leatherman Spine Center, Louisville, Kentucky;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leah Y.","family":"Carreon","sequence":"additional","affiliation":[{"name":"Norton Leatherman Spine Center, Louisville, Kentucky;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Avery L.","family":"Buchholz","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Virginia, Charlottesville, Virginia;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew Y.","family":"Yew","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Lahey Hospital and Medical Center, Burlington, Massachusetts;"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erica F.","family":"Bisson","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Utah Health Care, Salt Lake City, Utah; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Praveen V.","family":"Mummaneni","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of California, San Francisco Medical Center\u2013Spine Center, San Francisco, California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Steven D.","family":"Glassman","sequence":"additional","affiliation":[{"name":"Norton Leatherman Spine Center, Louisville, Kentucky;"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"issue":"5","key":"b1","series-title":"Health Aff (Millwood).","doi-asserted-by":"publisher","first-page":"w822","DOI":"10.1377\/hlthaff.28.5.w822","article-title":"Annual medical spending attributable to obesity: payer-and service-specific estimates","volume":"28","author":"Finkelstein EA","year":"2009","unstructured":"Finkelstein EA, Trogdon JG, Cohen JW, Dietz W. 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