{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T15:37:23Z","timestamp":1784907443035,"version":"3.55.0"},"reference-count":45,"publisher":"BMJ","issue":"9","license":[{"start":{"date-parts":[[2024,9,5]],"date-time":"2024-09-05T00:00:00Z","timestamp":1725494400000},"content-version":"unspecified","delay-in-days":4,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"The Local Research and Development Council Gothenburg and S\u00f6dra Bohusl\u00e4n","award":["RHS2023-01075"],"award-info":[{"award-number":["RHS2023-01075"]}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2024,8,22]]},"published-print":{"date-parts":[[2024,9]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>This study aimed to compare demographic and surgical characteristics between patients who do and do not achieve minimal important change (MIC) in the Knee injury and Osteoarthritis Outcome Score (KOOS) Sports and Recreation (Sport\/Rec) and Quality of Life (QoL) subscales 1 year after anterior cruciate ligament reconstruction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Comparative cross-sectional.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>The MIC for the KOOS Sport\/Rec subscale was \u226512.1\u2009and \u226518.3 for the KOOS QoL subscale from before surgery to 1-year follow-up using data from the Swedish National Knee Ligament Registry.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>In total 16\u2009131 patients were included: 11\u2009172 (69%) with no MIC for the Sport\/Rec scale, and 10\u2009641 (66%) for the QoL.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Patients with no MIC for Sport\/Rec and QoL had a higher body mass index (BMI) (24.8\u00b13.5 vs 24.6\u00b13.3\u2009and 24.7\u00b13.5 vs 24.6\u00b13.2, respectively, p&lt;0.0001), were younger (years) at time of surgery (28.5\u00b110.3 vs 29.1\u00b110.8\u2009and 27.4\u00b19.8 vs 29.7\u00b111.0, respectively, p=0.0002\u2009and &lt;0.0001), had longer time from injury to surgery (months) (Sports\/Rec 22.0\u00b138.5 vs 19.3\u00b136.6, respectively, p=0.0002), and greater rates of concomitant cartilage injuries especially to the lateral femoral condyle (22.7% vs 19.4% and 23.3% vs 19.0%, respectively, p=0.001\u2009and p=0.005) compared with patients who achieved the MIC. A smaller proportion of patients treated with a hamstring tendon autograft had no MIC (91.4%) compared with patients with MIC (94.1%).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Patients with no MIC for KOOS Sport\/Rec and QoL subscales had a higher BMI, longer time from injury to surgery and were younger at the time of surgery compared with patients who did achieve MIC. Although differences were small, they may reframe management strategies with patients who have these characteristics.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2023-083803","type":"journal-article","created":{"date-parts":[[2024,9,5]],"date-time":"2024-09-05T05:22:02Z","timestamp":1725513722000},"page":"e083803","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Demographic and surgical characteristics in patients who do not achieve minimal important change in the KOOS Sport\/Rec and QoL after ACL reconstruction: a comparative study from the Swedish National Knee Ligament Registry"],"prefix":"10.1136","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7025-7619","authenticated-orcid":false,"given":"Rebecca","family":"Simonsson","sequence":"first","affiliation":[{"name":"University of Gothenburg, Goteborg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Judy","family":"Bittar","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, University of Gothenburg, Goteborg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2559-8283","authenticated-orcid":false,"given":"Janina","family":"Kaarre","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, Medical sciences, Goteborg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5697-6577","authenticated-orcid":false,"given":"B\u00e1lint","family":"Zsidai","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, Medical sciences, Goteborg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mikael","family":"Sansone","sequence":"additional","affiliation":[{"name":"Ortopedi, Sahlgrenska Academy, Goteborg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ramana","family":"Piussi","sequence":"additional","affiliation":[{"name":"University of Gothenburg, Goteborg, Sweden"},{"name":"Sahlgrenska Sports Medicine Center, Gothenburg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Volker","family":"Musahl","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James","family":"Irrgang","sequence":"additional","affiliation":[{"name":"University of Pittsburgh, Pittsburgh, Pennsylvania, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristian","family":"Samuelsson","sequence":"additional","affiliation":[{"name":"Sahlgrenska University Hospital, Gothenburg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9340-0147","authenticated-orcid":false,"given":"Eric Hamrin","family":"Senorski","sequence":"additional","affiliation":[{"name":"University of Gothenburg, Goteborg, Sweden"},{"name":"Neuroscience and physiology, Health and rehabilitation, Goteborg, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2024,9,5]]},"reference":[{"key":"2025121220170421000_14.9.e083803.1","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1016\/j.ptsp.2020.12.011","article-title":"Low knee-related quality of life and persistent physical asymmetries in participants up to 10 years post-ACL reconstruction - A cross-sectional study","volume":"48","author":"Kaur","year":"2021","journal-title":"Phys Ther Sport"},{"key":"2025121220170421000_14.9.e083803.2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546516652888"},{"key":"2025121220170421000_14.9.e083803.3","doi-asserted-by":"crossref","DOI":"10.1177\/2325967119845313","article-title":"How Much Do Psychological Factors Affect Lack of Return to Play After Anterior Cruciate Ligament Reconstruction? 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