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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]

+

−

−

+

−

+

−

+

â–¡

â–¡

−

+

Iversen et al. 2007 (short-term) [35]

+

?

+

+

−

−

?

+

+

+

−

−

Iversen et al. 2007 (long-term) [36]

+

?

+

+

−

−

?

+

+

+

−

−

Bariatric surgery

Zevin et al. 2012 [54]

+

−

+

−

−

+

+

−

â–¡

â–¡

+

â–¡

Padwal et al. 2011 [41]

+

+

+

+

−

+

−

−

â–¡

â–¡

+

â–¡

Klarenbach et al. 2010 [37]

+

+

+

+

−

+

−

−

â–¡

â–¡

â–¡

â–¡

AAA

Young et al. 2007 [53]

+

−

−

−

+

−

−

−

+

−

+

+

Wilt et al. 2006 [50]

+

−

−

−

+

+

−

+

â–¡

â–¡

+

+

Esophageal cancer

Brusselaers et al. 2014 [26]

+

−

+

+

−

+

−

−

+

+

+

+

Wouters et al. 2012 [52]

+

+

−

+

−

+

+

+

+

+

+

?

Radical prostatectomy

Trinh et al. 2013 [47]

+

?

+

−

−

+

−

+

â–¡

â–¡

+

â–¡

Wilt et al. 2008 [51]

+

?

+

+

+

+

+

+

?

−

−

+

Total knee arthroplasty

Lau et al. 2012 [38]

+

+

+

+

+

+

?

?

â–¡

â–¡

+

+

Stengel et al. 2004 [45]

+

?

−

+

−

+

−

+

â–¡

â–¡

+

+

Breast cancer

Gooiker et al. 2010 [30]

+

+

+

+

−

+

+

+

+

+

+

+

CABG

Sepehripour et al. 2013 [44]

+

?

−

−

−

+

+

+

â–¡

â–¡

+

â–¡

Cystectomy

Goossens-Laan et al. 2011 [32]

+

+

+

?

−

+

+

+

+

+

+

+

Head and neck cancer

Eskander et al. 2014 [28]

+

+

+

+

−

+

+

+

+

â–¡

+

+

Lung cancer

Van Meyenfeldt et al. 2012 [49]

+

+

+

+

+

+

−

+

+

+

+

?

Norwood procedure

Pieper et al. 2014 [42]

+

+

+

+

+

+

+

+

â–¡

â–¡

+

â–¡

Pancreatic surgery

Gooiker et al. 2011 [31]

+

+

+

+

+

+

+

+

+

+

+

+

PCI

Strom et al. 2014 [46]

+

+

?

−

−

?

−

+

+

+

+

+

Trauma

Caputo et al. 2014 [27]

+

−

+

+

−

+

−

+

â–¡

â–¡

+

â–¡

Several

Gruen et al. 2009 [3]

+

+

+

+

−

+

+

+

â–¡

â–¡

−

−

Miyata et al. 2007 [40]

+

?

+

+

−

+

+

−

â–¡

â–¡

−

â–¡

Gandjour et al. 2003 [29]

+

?

+

+

−

−

+

−

â–¡

−

−

−

Halm et al. 2002 [33]

+

+

−

+

−

+

−

+

â–¡

â–¡

−

+

Hillner et al. 2000 [34]

+

?

−

−

−

−

−

+

â–¡

â–¡

−

−

Several in pediatric surgery

McAteer et al. 2013 [39]

+

?

+

+

−

+

+

+

â–¡

â–¡

+

−

  1. + yes, − no, ? cannot answer, □ not applicable
  2. Abbreviations: AAA Abdominal Aortic Aneurysm, CABG coronary artery bypass graft, PCI percutaneous coronary intervention