Reference | Representativeness of the exposed cohort | Selection of non-exposed cohort | Ascertainment of exposure | Outcome not present at start | Comparability of controls | Assessment of outcome | Adequate follow-up duration | Loss to follow-up | Total score |
---|---|---|---|---|---|---|---|---|---|
Kaufmann 1997 [9] | * | - | * | * | - | * | * | * | 6/9 |
Watts 1998 [10] | * | - | * | * | - | * | * | * | 6/9 |
Schreiber 2005 [11] | * | - | * | * | - | * | * | * | 6/9 |
Rugeri 2007 [12] | * | - | * | * | - | * | * | * | 6/9 |
Nekdulov 2007 [13] | * | - | * | * | - | * | * | * | 6/9 |
Levrat 2008 [14] | * | - | * | * | - | * | * | * | 6/9 |
Park 2008 [57] | * | - | * | * | - | * | * | * | 6/9 |
Plotkin 2008 [15] | * | - | * | * | - | * | * | * | 6/9 |
Carroll 2009 [16] | * | - | * | * | - | * | * | * | 6/9 |
Jeger 2009 [17] | * | - | * | * | - | * | * | * | 6/9 |
Kashuk 2009 [49] | * | - | * | * | - | * | * | * | 6/9 |
Kashuk 2009 [18] | * | - | * | * | - | * | * | * | 6/9 |
Park 2009 [19] | * | - | * | * | - | * | * | * | 6/9 |
Schöchl 2009 [58] | * | - | * | * | - | * | * | * | 6/9 |
Doran 2010 [20] | * | - | * | * | - | * | * | - | 5/9 |
Kashuk 2010 [21] | * | - | * | * | - | * | * | * | 6/9 |
Leemann 2010 [22] | * | - | * | * | - | * | * | * | 6/9 |
Schochl 2010 [59] | * | - | * | * | - | * | * | * | 6/9 |
Schochl 2011 [23] | * | - | * | * | - | * | * | * | 6/9 |
Watters 2010 [24] | * | - | * | * | - | * | * | * | 6/9 |
Cotton 2011 [25] | * | - | * | * | - | * | * | * | 6/9 |
Davenport 2011 [26] | * | - | * | * | - | * | * | * | 6/9 |
Davenport 2011 [50] | * | - | * | * | - | * | * | - | 5/9 |
Differding 2011 [27] | * | - | * | * | - | * | * | * | 6/9 |
Jansen 2011 [28] | * | - | * | * | - | * | * | * | 6/9 |
Nystrup 2011 [29] | * | - | * | * | - | * | * | * | 6/9 |
Ostrowski 2011 [30] | * | - | * | * | - | * | * | * | 6/9 |
Schöchl 2011 [51] | * | * | * | * | * | * | * | * | 8/9 |
Schöchl 2011 [31] | * | - | * | * | - | * | * | * | 6/9 |
Tauber 2011 [32] | * | - | * | * | - | * | * | * | 6/9 |
Theusinger 2011 [60] | * | - | * | * | - | * | * | * | 6/9 |
Cotton 2012 [33] | * | - | * | * | - | * | * | * | 6/9 |
Cotton 2012 [34] | * | - | * | * | - | * | * | * | 6/9 |
Davis 2013 [61] | * | - | * | * | - | * | * | * | 6/9 |
Holcomb 2012 [35] | * | - | * | * | - | * | * | * | 6/9 |
Ives 2012 [36] | * | - | * | * | - | * | * | * | 6/9 |
Jeger 2012 [52] | * | - | * | * | - | * | * | * | 6/9 |
Kashuk 2012 [37] | * | * | * | * | * | * | * | * | 8/9 |
Kunio 2012 [62] | * | - | * | * | - | * | * | * | 6/9 |
Kutcher 2012 [38] | * | - | * | * | - | * | * | * | 6/9 |
Nascimento 2012 [39] | * | - | * | * | - | * | * | * | 6/9 |
Ostrowski 2012 [53] | * | - | * | * | - | * | * | * | 6/9 |
Pezold 2012 [54] | * | - | * | * | - | * | * | * | 6/9 |
Raza 2013 [55] | * | - | * | * | - | * | * | * | 6/9 |
Rourke 2012 [40] | * | - | * | * | - | * | * | * | 6/9 |
Wohlauer 2012 [41] | * | - | * | * | - | * | * | * | 6/9 |
Woolley 2013 [42] | * | - | * | * | - | * | * | * | 6/9 |
Chapman 2013 [43] | * | - | * | * | - | * | * | * | 6/9 |
Chapman 2013 [56] | * | - | * | * | - | * | * | * | 6/9 |
Harr 2013 [44] | * | - | * | * | - | * | * | * | 6/9 |
Johansson 2013 [45] | * | - | * | * | - | * | * | * | 6/9 |
Lee 2013 [46] | * | - | * | * | - | * | * | * | 6/9 |
Tapia 2013 [63] | * | * | * | * | * | * | * | * | 8/9 |
Kornblith 2014 [47] | * | - | * | * | - | * | * | * | 6/9 |
Branco 2014 [48] | * | - | * | * | - | * | * | * | 6/9 |