Appendix 7:Methodological assessment according to the Quality In Prognosis Studies (QUIPS) Tool.

Authors and year / Risk of bias (Domains) / Overall
Risk of bias
Study
Participation / Study
Attrition / Prognostic Factor
Measurement / Outcom
Measurement / Study
Confounding / Statistical Analysis
and Reporting
Ames 2012 [1] / Moderate / High / Moderate / Low / High / High / High
Balyk 2008 [3] / Low / Moderate / Moderate / Low / Low / Moderate / Moderate
Bishop 2006 [4] / High / Moderate / High / Low / High / High / High
Boileau 2005 [5] / High / High / High / Low / Moderate / High / High
Boissonnault 2007 [6] / Moderate / High / Low / Low / Low / Moderate / Moderate
Charousset 2008 [7] / Moderate / Low / High / Low / High / Moderate / Moderate
Cho 2009 [8] / High / High / Low / Low / High / High / High
Chung 2011 [10] / High / High / Low / Low / Low / Moderate / High
Chung 2012 [11] / Moderate / High / Low / Low / Low / High / High
Chung 2013[9] / Moderate / High / Low / Low / Low / Moderate / Moderate
Demirors 2010 [13] / High / High / High / Low / High / High / High
Di Paola 2013 [14] / Moderate / High / Low / Low / Low / Low / Low
Djahangiri 2013 [15] / Low / High / Low / Low / High / Moderate / Low
Ellman 1996 [16] / Moderate / Low / High / Moderate / High / High / High
Flurin 2007 [19] / Moderate / High / Moderate / Moderate / High / High / High
Flurin 2013 [18] / Moderate / Low / High / Moderate / High / High / High
Gladstone 2007 [21] / High / High / Low / Low / High / Moderate / High
Goutallier 2003 [23] / Moderate / High / Low / Moderate / High / High / High
Goutallier 2006 [22] / High / Moderate / Moderate / Moderate / High / High / High
Grasso 2009 [24] / Moderate / Low / Low / Low / Low / Moderate / Low
Gulotta 2011 [25] / Low / High / Low / Low / Moderate / Low / Low
Henn 2007 [28] / High / High / Low / Low / Low / Moderate / High
Henn 2008 [29] / Moderate / High / Low / Low / Low / Moderate / Moderate
Iannotti 1996 [31] / Low / Moderate / Low / Low / High / High / Moderate
Jo 2013 [32] / High / High / Low / Low / Low / Moderate / High
Kim 2013 [33] / Moderate / High / Low / Low / High / High / High
Kluger 2011 [34] / Low / Low / Low / Low / Low / Moderate / Low
Koh 2014 [35] / Moderate / High / Low / Moderate / High / Moderate / Moderate
Lafosse 2007 [36] / High / High / Low / Low / High / Moderate / High
Lam 2004 [38] / High / Low / Low / Low / High / Moderate / Moderate
Lapner 2010 [39] / Moderate / High / Low / Low / Low / Moderate / Moderate
Lapner 2012 [40] / Low / Moderate / Low / Low / Low / Low / Low
Lee 2013 [41] / High / High / Low / Low / High / Moderate / High
Lichtenberg 2006 [43] / High / High / Low / Low / High / High / High
Mallon 2004 [45] / High / High / Low / Low / High / Moderate / High
Melean 2013 [48] / Moderate / Moderate / Low / Low / High / High / High
Mellado 2005 [50] / High / High / Low / Low / High / High / High
Mellado 2006 [49] / High / High / Moderate / Low / High / High / high
Meyer 2012 [51] / High / High / Low / Low / High / High / High
Milano 2013 [52] / Low / Low / Low / Low / Low / Low / Low
Namdari 2010 [53] / Low / High / Low / Low / Low / Low / Low
Nho 2009 [54] / Low / High / Low / Low / Moderate / Low / Low
Nho 2009 [55] / Low / High / Low / Low / High / High / High
Oh 2009 [56] / Moderate / High / Low / Low / Low / Moderate / Moderate
Oh 2010 [57] / High / High / Low / Low / Low / Moderate / High
Oh 2012 [58] / High / High / Low / Low / Low / Low / Moderate
Ozbaydar 2007 [59] / High / High / High / High / High / High / High
Pai 2001 [60] / Moderate / High / Low / Low / Moderate / High / High
Park 2010 [62] / High / High / Low / Low / Moderate / Moderate / Moderate
Park 2013 [61] / High / High / Low / Low / Moderate / Moderate / Moderate
Prasad 2005 [64] / High / High / Low / Low / High / High / High
Robinson 2013 [65] / Moderate / Low / Low / Low / Low / Low / Low
Romeo 1999 [66] / Moderate / High / Low / Low / Moderate / Moderate / Moderate
Sherman 2008 [69] / Low / High / Low / Low / High / Low / Low
Tashjian 2006 [71] / High / High / Low / Low / Low / Moderate / High
Tashjian 2007 [70] / Moderate / High / Low / Low / Low / High / High
Tashjian 2010 [72] / Moderate / Moderate / Low / Low / Low / Moderate / Moderate
Tashjian 2013 [73] / High / High / Low / Low / High / High / High
Vad 2002 [74] / High / High / Low / Low / High / High / High
Van Linthoudt 2003 [75] / Moderate / Low / Low / Moderate / Low / High / Low
Voigt 2010 [76] / Moderate / Moderate / Low / Low / High / High / Moderate
Warrender 2011 [77] / Moderate / High / Low / Low / Low / High / High
Worland 1999 [78] / High / High / Low / Low / High / Moderate / High
Wu 2012 [79] / High / High / Low / Low / High / Moderate / High