{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T14:01:05Z","timestamp":1785765665915,"version":"3.56.0"},"reference-count":30,"publisher":"British Editorial Society of Bone & Joint Surgery","issue":"11","license":[{"start":{"date-parts":[[2015,11,1]],"date-time":"2015-11-01T00:00:00Z","timestamp":1446336000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/online.boneandjoint.org.uk\/TDM"}],"content-domain":{"domain":["online.boneandjoint.org.uk"],"crossmark-restriction":true},"short-container-title":["The Bone &amp; Joint Journal"],"published-print":{"date-parts":[[2015,11]]},"abstract":"<jats:p> Pain catastrophising is an adverse coping mechanism, involving an exaggerated response to anticipated or actual pain. <\/jats:p><jats:p> The purpose of this study was to investigate the influence of pain \u2018catastrophising\u2019, as measured using the pain catastrophising scale (PCS), on treatment outcomes after surgery for lumbar spinal stenosis (LSS). <\/jats:p><jats:p> A total of 138 patients (47 men and 91 women, mean age 65.9; 45 to 78) were assigned to low (PCS score &lt; 25, n = 68) and high (PCS score \u2265 25, n = 70) PCS groups. The primary outcome measure was the Oswestry Disability Index (ODI) 12 months after surgery. Secondary outcome measures included the ODI and visual analogue scale (VAS) for back and leg pain, which were recorded at each assessment conducted during the 12-month follow-up period <\/jats:p><jats:p> The overall changes in the ODI and VAS for back and leg pain over a 12-month period were significantly different between the groups (ODI, p &lt; 0.001; VAS for back pain, p &lt; 0.001; VAS for leg pain, p = 0.040). The ODI and VAS for back and leg pain significantly decreased over time after surgery in both groups (p &lt; 0.001 for all three variables). The patterns of change in the ODI and VAS for back pain during the follow-up period significantly differed between the two groups, suggesting that the PCS group is a potential treatment moderator. However, there was no difference in the ODI and VAS for back and leg pain between the low and high PCS groups 12 months after surgery. <\/jats:p><jats:p> In terms of minimum clinically important differences in ODI scores (12.8), 22 patients (40.7%) had an unsatisfactory surgical outcome in the low PCS group and 16 (32.6%) in the high PCS group. There was no statistically significant difference between the two groups (p\u00a0= 0.539). <\/jats:p><jats:p> Pre-operative catastrophising did not always result in a poor outcome 12 months after surgery, which indicates that this could moderate the efficacy of surgery for LSS. <\/jats:p><jats:p> Cite this article: Bone Joint J 2015;97-B:1546\u201354. <\/jats:p>","DOI":"10.1302\/0301-620x.97b11.36016","type":"journal-article","created":{"date-parts":[[2015,11,3]],"date-time":"2015-11-03T12:21:22Z","timestamp":1446553282000},"page":"1546-1554","update-policy":"https:\/\/doi.org\/10.1302\/crossmark-policy","source":"Crossref","is-referenced-by-count":28,"title":["The influence of catastrophising on treatment outcomes after surgery for lumbar spinal stenosis"],"prefix":"10.1302","volume":"97-B","author":[{"given":"H. J.","family":"Kim","sequence":"first","affiliation":[{"name":"Seoul National University College of Medicine, and\rSeoul National University Bundang Hospital, 166\rGumiro, Bundang-gu, Sungnam, 463-707, Republic\rof Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. W.","family":"Park","sequence":"additional","affiliation":[{"name":"Seoul National University College of Medicine, and\rSeoul National University Bundang Hospital, 166\rGumiro, Bundang-gu, Sungnam, 463-707, Republic\rof Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B. S.","family":"Chang","sequence":"additional","affiliation":[{"name":"Seoul National University College of Medicine,\rSeoul National University Hospital, 101 Daehangno, Jongno-gu, Seoul, 110-744, Republic\rof Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C. K.","family":"Lee","sequence":"additional","affiliation":[{"name":"Seoul National University College of Medicine,\rSeoul National University Hospital, 101 Daehangno, Jongno-gu, Seoul, 110-744, Republic\rof Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. 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