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Table 2 Demographic characteristics of the participants and the number of participants in each institution

From: Reliability and validity of a novel quality of life questionnaire for female patients with adolescent idiopathic scoliosis: Scoliosis Japanese Questionnaire-27: a multicenter, cross-sectional study

  Patients with AIS (n = 384)  
Mean age (SD), years 14.3 (1.9)  
Mean body mass (SD), kg 45.0 (7.2)  
Mean body height (SD), cm 155.7 (7.1)  
Mean body mass index (SD), kg / m2 18.5 (2.3)  
Treatment, n (multiple choices allowed) 31.0 (12.6)  
Mean Cobb angle (SD), degrees 14.3 (1.9)  
Mean age (SD), years 45.0 (7.2)  
Treatment, n (multiple choices allowed)
 Observation 120  
 Exercise 28  
 Brace 161  
 Surgery 78  
 Other 23  
Institution, n
 Okayama Medical Center 10 Shiba Clinic 14
 Aizu Medical Center 2 Jikei University Hospital 20
 Iwate Medical University Hospital 16 Akita University Hospital 8
 Gifu University Hospital 17 Juntendo University Hospital 26
 Kurume University Hospital 3 Niigata Spine Surgery Center 19
 University of Miyazaki Hospital 20 Niigata University Medical and Dental Hospital 9
 Kanazawa Medical University Hospital 5 Gunma Spine Center of Harunaso Hospital 20
 Keio University Hospital 23 Sendai Nishitaga Hospital 20
 Hirosaki University Hospital 14 Tokai University Hospital 18
 Hirosaki Memorial Hospital 5 University of Tokyo Hospital 26
 Saitama Medical University Hospital 30 Hamamatsu University Hospital 20
 Saitama Medical Center 19 Fukuoka Children’s Hospital 20