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Table 1 Critical appraisal

From: Relationship between surgeon volume and outcomes: a systematic review of systematic reviews

Procedure/
condition
Study A priori design Two reviewers Literature search Status of publication List of studies Study characteristics Critical appraisal Conclusions Combining findings Publication bias Conflict of interest Multiple comparisons
Colorectal cancer Archampong et al. 2012 [24] + + + + + + + + + + + ?
Archampong et al. 2010 [25] + + + + + + + + + + +
Van Gijn et al. 2010 [48] + + + + + + + + +
Salz et al. 2008 [43] + + + + +
Iversen et al. 2007 (short-term) [35] + ? + + ? + + +
Iversen et al. 2007 (long-term) [36] + ? + + ? + + +
Bariatric surgery Zevin et al. 2012 [54] + + + + +
Padwal et al. 2011 [41] + + + + + +
Klarenbach et al. 2010 [37] + + + + +
AAA Young et al. 2007 [53] + + + + +
Wilt et al. 2006 [50] + + + + + +
Esophageal cancer Brusselaers et al. 2014 [26] + + + + + + + +
Wouters et al. 2012 [52] + + + + + + + + + ?
Radical prostatectomy Trinh et al. 2013 [47] + ? + + + +
Wilt et al. 2008 [51] + ? + + + + + + ? +
Total knee arthroplasty Lau et al. 2012 [38] + + + + + + ? ? + +
Stengel et al. 2004 [45] + ? + + + + +
Breast cancer Gooiker et al. 2010 [30] + + + + + + + + + + +
CABG Sepehripour et al. 2013 [44] + ? + + + +
Cystectomy Goossens-Laan et al. 2011 [32] + + + ? + + + + + + +
Head and neck cancer Eskander et al. 2014 [28] + + + + + + + + + +
Lung cancer Van Meyenfeldt et al. 2012 [49] + + + + + + + + + + ?
Norwood procedure Pieper et al. 2014 [42] + + + + + + + + +
Pancreatic surgery Gooiker et al. 2011 [31] + + + + + + + + + + + +
PCI Strom et al. 2014 [46] + + ? ? + + + + +
Trauma Caputo et al. 2014 [27] + + + + + +
Several Gruen et al. 2009 [3] + + + + + + +
Miyata et al. 2007 [40] + ? + + + +
Gandjour et al. 2003 [29] + ? + + +
Halm et al. 2002 [33] + + + + + +
Hillner et al. 2000 [34] + ? +
Several in pediatric surgery McAteer et al. 2013 [39] + ? + + + + + +
  1. + yes, − no, ? cannot answer, □ not applicable
  2. Abbreviations: AAA Abdominal Aortic Aneurysm, CABG coronary artery bypass graft, PCI percutaneous coronary intervention