{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,30]],"date-time":"2026-05-30T09:04:50Z","timestamp":1780131890000,"version":"3.54.0"},"reference-count":80,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,5,1]]},"abstract":"<jats:sec>\n                    <jats:title>OBJECTIVE<\/jats:title>\n                    <jats:p>Prolonged hospital length of stay (LOS) is an increasingly important quality metric among regulators and payers that has been associated with worse patient outcomes and decreased patient satisfaction. The aim of this study was to identify predictors of prolonged hospital LOS after surgery for Meyerding grade 2 spondylolisthesis using a multicenter prospectively collected registry.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>The prospectively collected Spine CORe\u2122 Quality Outcomes Database (QOD) study group cohort, which consisted of 328 patients from 14 sites, was used to identify all patients who underwent single-stage lumbar fusion for Meyerding grade 2 lumbar spondylolisthesis. Prolonged LOS was defined as \u2265 4 days (75th percentile). An array of demographic, comorbidity, and perioperative factors known to impact LOS were collected for each patient. Bivariate tests, including the chi-square goodness of fit and independent t-test, were used to identify variables associated with prolonged LOS. Multivariable logistic regression analysis was conducted to determine independent predictors of prolonged LOS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>The QOD cohort comprised 328 patients with a follow-up rate of &gt; 80%. After excluding patients with an anterior or lateral surgical approach and missing LOS data, the final cohort included 268 patients, of whom 52 (19.4%) experienced a prolonged LOS. In the univariate analysis, older age, dependent ambulation, insurance status, depression, greater estimated blood loss, longer operative duration, multilevel fusion (2 or more levels), perioperative complications (e.g., incidental durotomy and urinary tract infection), and nonhome discharge were associated with prolonged LOS. In the adjusted model, multilevel arthrodesis independently increased the odds of prolonged LOS (OR 2.11, 95% CI 1.07\u20134.18; p = 0.03), whereas private insurance (vs Medicare\/Medicaid\/government) was associated with lower odds (OR 0.42, 95% CI 0.20\u20130.87; p = 0.02). Patient-reported outcomes at 60 months did not differ between the groups with and without prolonged LOS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS<\/jats:title>\n                    <jats:p>In this multicenter Spine CORe\u2122 QOD study, multilevel lumbar fusion and noncommercial insurance were the principal independent predictors of prolonged LOS after surgery for grade 2 spondylolisthesis. These findings are valuable for patient informed consent, as well as to identify higher-risk patients who could benefit from earlier inpatient resource allocation (social work and counseling) to facilitate timely discharge.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3171\/2025.12.focus25958","type":"journal-article","created":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T11:31:30Z","timestamp":1777635090000},"page":"E17","source":"Crossref","is-referenced-by-count":0,"title":["What are the predictors of prolonged length of stay following single-stage lumbar fusion for grade 2 spondylolisthesis? A Spine CORe\u2122 analysis of QOD data"],"prefix":"10.3171","volume":"60","author":[{"given":"Michael D.","family":"White","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Barrow Neurological Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, Arizona;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Izza","family":"Tahir","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Chicago, Illinois;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maliya","family":"Delawan","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Chicago, Illinois;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anthony L.","family":"Asher","sequence":"additional","affiliation":[{"name":"Carolina Neurosurgery & Spine Associates, Carolinas Medical Center, Charlotte, North Carolina;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul K.","family":"Kim","sequence":"additional","affiliation":[{"name":"Carolina Neurosurgery & Spine Associates, Carolinas Medical Center, Charlotte, North Carolina;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kai-Ming G.","family":"Fu","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Weill Cornell Medicine, New York, New York;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael S.","family":"Virk","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, Weill Cornell Medicine, New York, New York;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher I.","family":"Shaffrey","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oren N.","family":"Gottfried","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Duke University Medical Center, Durham, North Carolina;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric A.","family":"Potts","sequence":"additional","affiliation":[{"name":"Goodman Campbell Brain and Spine, Carmel, Indiana;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincent J.","family":"Alentado","sequence":"additional","affiliation":[{"name":"Goodman Campbell Brain and Spine, Carmel, Indiana;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul","family":"Park","sequence":"additional","affiliation":[{"name":"Semmes Murphey Neurologic and Spine Institute, Memphis, Tennessee;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael Y.","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Miami, Florida;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steven D.","family":"Glassman","sequence":"additional","affiliation":[{"name":"Norton Leatherman Spine Center, Louisville, Kentucky;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mladen","family":"Djurasovic","sequence":"additional","affiliation":[{"name":"Norton Leatherman Spine Center, Louisville, Kentucky;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kevin T.","family":"Foley","sequence":"additional","affiliation":[{"name":"Semmes Murphey Neurologic and Spine Institute, Memphis, Tennessee;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cheerag D.","family":"Upadhyaya","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of North Carolina, Chapel Hill, North Carolina;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timothy J.","family":"Yee","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew K.","family":"Chan","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Columbia University, New York, New York;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dean","family":"Chou","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Columbia University, New York, New York;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Praveen V.","family":"Mummaneni","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of California, San Francisco, California;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chun-Po","family":"Yen","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Virginia, Charlottesville, Virginia;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erica F.","family":"Bisson","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, University of Utah, Salt Lake City, Utah; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Regis W.","family":"Haid","sequence":"additional","affiliation":[{"name":"Atlanta Brain and Spine Care, Atlanta, Georgia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan S.","family":"Uribe","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Barrow Neurological Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, Arizona;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jay D.","family":"Turner","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Barrow Neurological Institute, St. Joseph\u2019s Hospital and Medical Center, Phoenix, Arizona;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamad","family":"Bydon","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery, University of Chicago, Illinois;"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"issue":"2","key":"b1","series-title":"Spine (Phila Pa 1976)","first-page":"199","article-title":"Spondylolysis and spondylolisthesis: prevalence and association with low back pain in the adult community-based population","volume":"34","author":"Kalichman L","year":"2009","unstructured":"Kalichman L, Kim DH, Li L, Guermazi A, Berkin V, Hunter DJ. 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