{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T03:24:25Z","timestamp":1790738665685,"version":"4.1.0"},"reference-count":42,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2016,9,9]],"date-time":"2016-09-09T00:00:00Z","timestamp":1473379200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"University of Northern Norway"},{"name":"Norwegian Health Authorities"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J American Geriatrics Society"],"published-print":{"date-parts":[[2016,10]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>\n                      To compare clinical outcomes after decompressive surgery for central lumbar spinal stenosis (\n                      <jats:styled-content style=\"fixed-case\">LSS<\/jats:styled-content>\n                      ) in individuals aged 80 and older with those of individuals aged 18\u201379.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Prospective data from the Norwegian Registry for Spine Surgery.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Multicenter observational study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>\n                      Individuals with central\n                      <jats:styled-content style=\"fixed-case\">LSS<\/jats:styled-content>\n                      undergoing surgery at 36 orthopedic or neurosurgical departments (N = 1,503; 1,325 aged &lt;80 (median 66, range 21\u201379); 178 aged \u226580 (median 82, range 80\u201395)).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Intervention<\/jats:title>\n                    <jats:p>Laminectomy or microdecompression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Measurements<\/jats:title>\n                    <jats:p>\n                      Changes in Oswestry Disability Index (\n                      <jats:styled-content style=\"fixed-case\">ODI<\/jats:styled-content>\n                      ), EuroQol 5D (\n                      <jats:styled-content style=\"fixed-case\">EQ<\/jats:styled-content>\n                      \u20105D), back pain numerical rating scale (\n                      <jats:styled-content style=\"fixed-case\">NRS<\/jats:styled-content>\n                      ), and leg pain\n                      <jats:styled-content style=\"fixed-case\">NRS<\/jats:styled-content>\n                      at 1 year. Complications and duration of surgical procedures and hospital stays are reported.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      For all participants, there was a significant improvement in\n                      <jats:styled-content style=\"fixed-case\">ODI<\/jats:styled-content>\n                      (difference 16.60 points, 95% confidence interval (\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      ) = 15.59\u201317.61,\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001). There were no differences between age cohorts in mean changes in\n                      <jats:styled-content style=\"fixed-case\">ODI<\/jats:styled-content>\n                      (0.2, 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = \u22123.05\u20133.39,\n                      <jats:italic>P<\/jats:italic>\n                      = .92),\n                      <jats:styled-content style=\"fixed-case\">EQ<\/jats:styled-content>\n                      \u20105D (0.02, 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = \u22120.04\u20130.09,\n                      <jats:italic>P<\/jats:italic>\n                      = .49), back pain\n                      <jats:styled-content style=\"fixed-case\">NRS<\/jats:styled-content>\n                      (\u22120.2, 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = \u22120.7\u20130.4,\n                      <jats:italic>P<\/jats:italic>\n                      = .56), or leg pain\n                      <jats:styled-content style=\"fixed-case\">NRS<\/jats:styled-content>\n                      (\u22120.1, 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = \u22120.7\u20130.5),\n                      <jats:italic>P<\/jats:italic>\n                      = .77). There were no differences in perioperative complications between age cohorts (4.9% vs 7.9%,\n                      <jats:italic>P<\/jats:italic>\n                      = .11). Participants aged 80 and older reported more complications occurring within 3 months (11.8% vs 7.5%,\n                      <jats:italic>P<\/jats:italic>\n                      = .02), mainly because of more urinary tract infections (9.6% vs 3.5%,\n                      <jats:italic>P<\/jats:italic>\n                      = .001). Mean duration of hospital stays was 1.3 days longer for participants aged 80 and (4.5 vs 3.2 days,\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .001). There were no differences in duration of single\u2010level microdecompression (\n                      <jats:italic>P<\/jats:italic>\n                      = .94), two\u2010level microdecompression (\n                      <jats:italic>P<\/jats:italic>\n                      = .53), single\u2010level laminectomy (\n                      <jats:italic>P<\/jats:italic>\n                      = .78), or two\u2010level laminectomy (\n                      <jats:italic>P<\/jats:italic>\n                      = .08).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      Individuals aged 80 and older experience improvement in self\u2010reported outcomes similar to those of younger individuals after decompressive surgery for\n                      <jats:styled-content style=\"fixed-case\">LSS<\/jats:styled-content>\n                      .\n      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