{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T01:55:35Z","timestamp":1777773335664,"version":"3.51.4"},"reference-count":24,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,8,1]]},"abstract":"<jats:sec>\n<jats:title>OBJECTIVE<\/jats:title>\n<jats:p>In recent years, it has become possible to predict postoperative correction and residual deformity in adolescent idiopathic scoliosis (AIS) surgery based on the technique used and extent of fixation. However, the recommended degree of correction has not yet been established. In this study, the authors aimed to clarify the extent to which a residual postoperative deformity would be acceptable according to Scoliosis Research Society (SRS)\u201322r and satisfaction scores after AIS surgery.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>METHODS<\/jats:title>\n<jats:p>Overall, 92 patients who underwent posterior spinal fusion for Lenke type 1 or 2 AIS were retrospectively included. The Patient Acceptable Symptom State (PASS) cutoff values for each SRS-22r domain were calculated using receiver operating characteristic (ROC) curves to obtain predictive values of treatment satisfaction 2 years after surgery. Multivariate logistic regression analysis was performed with deformity parameters and demographic data as explanatory variables, and achieving the PASS cutoff value of each SRS-22r domain and treatment satisfaction were objective variables. Cutoff values were calculated using ROC analysis.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>RESULTS<\/jats:title>\n<jats:p>The PASS cutoff values for SRS-22r domains were 3.69 (area under the ROC curve [AUC] 0.86) for self-image, 4.25 (AUC 0.82) for mental health, and 4.22 (AUC 0.82) for the subtotal. The residual main thoracic Cobb angle was not remarkably related to SRS-22r or treatment satisfaction. The residual thoracolumbar\/lumbar (TL\/L) Cobb angle was significantly associated with treatment satisfaction, with a cutoff value of 12.5\u00b0 (AUC 0.75). The parameters of deformity that were significantly associated with achieving the PASS cutoff value for self-image were the TL\/L Cobb angle and main thoracic apical vertebral translation, although their respective AUCs were &lt; 0.7.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title>CONCLUSIONS<\/jats:title>\n<jats:p>In patients with Lenke type 1 and 2 AIS, the residual postoperative TL\/L Cobb angle was significantly associated with achieving the PASS cutoff values for self-image and treatment satisfaction. Satisfaction with treatment was more likely when the TL\/L Cobb angle was \u2264 12.5\u00b0.<\/jats:p>\n<\/jats:sec>","DOI":"10.3171\/2022.1.spine211251","type":"journal-article","created":{"date-parts":[[2022,3,11]],"date-time":"2022-03-11T07:18:56Z","timestamp":1646983136000},"page":"213-221","source":"Crossref","is-referenced-by-count":4,"title":["How much residual deformity is acceptable according to SRS-22r and satisfaction scores after posterior spinal fusion for Lenke type 1 and 2 curves in adolescent idiopathic scoliosis?"],"prefix":"10.3171","volume":"37","author":[{"given":"Tetsuhiko","family":"Mimura","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shota","family":"Ikegami","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shugo","family":"Kuraishi","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masashi","family":"Uehara","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hiroki","family":"Oba","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takashi","family":"Takizawa","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryo","family":"Munakata","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Terue","family":"Hatakenaka","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takayuki","family":"Kamanaka","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshinari","family":"Miyaoka","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michihiko","family":"Koseki","sequence":"additional","affiliation":[{"name":"Faculty of Textile Science and Technology, Shinshu University, Nagano, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun","family":"Takahashi","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto; and"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"issue":"12","key":"b1","series-title":"Spine (Phila Pa 1976)","doi-asserted-by":"publisher","first-page":"965","DOI":"10.1097\/BRS.0b013e3181e92b1d","article-title":"Patient satisfaction after surgical correction of adolescent idiopathic scoliosis","volume":"36","author":"Carreon LY","year":"2011","unstructured":"Carreon LY, Sanders JO, Diab M, Sturm PF, Sucato DJ. 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