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Table 1 Characteristics of the 28 included studies

From: Effectiveness and safety of surgical interventions for treating adolescent idiopathic scoliosis: a Bayesian meta-analysis

Source Study design Country Interventions Sample size Follow-up (year) Outcomes for analysis
Dobbs 2006 [26] Retrospective nonrandomized controlled trial USA ASR + PSF vs PSF 20/34 2.4
Zhang 2012 [52] Prospective nonrandomized controlled trial China ASR + PSF vs PSF 31/33 2 ,
Zhang 2009 [41] Retrospective nonrandomized controlled trial China ASR + PSF vs PSF 32/94 3.4
Qiu 2011 [42] Retrospective nonrandomized controlled trial China VAT+PSF vs PSF 18/27 3.65 ,
Zhang 2011 [51] Retrospective nonrandomized controlled trial China ASR + PSF vs PSF 12/17 3
Kim 2005 [34] Prospective nonrandomized controlled trial USA PSF vs WT vs ASF vs ASR + PSF 49/41/16/12 5
Bullmann 2013 [46] Prospective nonrandomized controlled trial Germany ASF vs WT 40/29 2 , ,
Vedantam 2000 [44] Prospective nonrandomized controlled trial USA PSF vs WT vs ASF vs ASR + PSF 47/33/7/11 2 , ,
Kim 2008 [33] Retrospective nonrandomized controlled trial USA WT vs ASF 35/29 2 ,
Faro 2005 [28] Prospective nonrandomized controlled trial USA VAT vs ASF 31/23 1 , ,
Kishan 2007 [35] Prospective nonrandomized controlled trial USA VAT vs WT 36/43 2 ,
Lenke 2004 [15] Prospective nonrandomized controlled trial USA VAT+PSF vs ASR + PSF 21/16 2 , ,
Verma 2011 [45] Retrospective nonrandomized controlled trial USA PSF vs ASF vs VAT vs VAT+PSF 70/35/32/22 2 , ,
Zhou 2011 [49] Retrospective nonrandomized controlled trial China PSF vs WT 24/20 2 , , ,
Greggi 2010 [31] Retrospective nonrandomized controlled trial Italy WT vs PSF 40/40 5 , , ,
Lonner 2009 [37] Retrospective nonrandomized controlled trial USA VAT vs PSF 17/17 2
Newton 2013 [40] Prospective nonrandomized controlled trial USA VAT vs ASF vs PSF 55/17/77 2 , ,
Suk 2008 [43] Retrospective nonrandomized controlled trial Korea PSF vs WT 37/20 2 , , ,
Graham 2000 [30] Prospective nonrandomized controlled trial USA WT vs ASF 31/20 2 ,
Miljenko 2006 [29] Prospective nonrandomized controlled trial Croatia ASF vs PSF 25/25 2
Lenke 1999 [36] Prospective nonrandomized controlled trial USA ASF vs PSF 70/53 2
Wong 2004 [48] Retrospective nonrandomized controlled trial Singapore PSF vs VAT 19/12 2
Muschik 2006 [39] Retrospective nonrandomized controlled trial Germany ASF vs PSF 37/104 2 ,
Lonner 2006 [38] Retrospective nonrandomized controlled trial USA VAT vs PSF 28/23 2
Hee 2007 [32] Retrospective nonrandomized controlled trial Singapore ASF vs PSF 25/11 3.7
Wang 2008 [47] Prospective nonrandomized controlled trial China ASF vs PSF 16/16 2
Dong 2015 [27] Retrospective nonrandomized controlled trial China ASF vs PSF 17/36 2 ,
Zhan 2010 [50] Retrospective nonrandomized controlled trial China ASF vs PSF 22/20 2 ,
  1. AIS adolescent idiopathic scoliosis; : change of Cobb angle; : change of absolute forced vital capacity (FVC); : change of absolute forced expiratory volume in 1 s (FEV1); : incidence of complications; ASR + PSF combined anterior release and posterior fusion with instrumentation, VAT+PSF combined video assisted anterior release and posterior fusion with instrumentation without thoracoplasty, PSF posterior fusion with instrumentation without thoracoplasty, ASF anterior fusion with instrumentation and thoracotomy without thoracoplasty, VAT video assisted anterior fusion with instrumentation without thoracoplasty, WT any scoliosis surgery with additional thoracoplasty or multiple convex rib resections
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