Postoperative thoracic kyphosis is associated with clinically significant pain improvement at 1-year follow-up in adolescent idiopathic scoliosis: a multicenter study. - Gomez-Rice, Alejandro; Núñez-Pereira, Susana; Haddad, Sleiman; Raganato, Riccardo; Charles, Yann Philippe; Pérez-Grueso, Franciso; Kleinstück, Frank; Obeid, Ibrahim; Alanay, Ahmet; Pellise, Ferran; Pizones, Javier; European Spine Study Group, ESSG (European Spine Journal, 2026)