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 | Loss to follow up | Total score |
---|---|---|---|---|---|---|---|---|---|
Rugeri 2007 [36] | * | - | * | * | - | * | * | * | 6/9 |
Levrat 2008 [37] | * | - | * | * | - | * | * | * | 6/9 |
Schöchl 2009 [26] | * | - | * | * | - | * | * | * | 6/9 |
Doran 2010 [25] | * | - | * | * | - | * | * | - | 5/9 |
Leemann 2010 [38] | * | - | * | * | - | * | * | * | 6/9 |
Schochl 2010 [27] | * | - | * | * | - | * | * | * | 6/9 |
Tauber 2011 [40] | * | - | * | * | - | * | * | * | 6/9 |
Schochl 2010 [39] | * | - | * | * | - | * | * | * | 6/9 |
Davenport 2011 [41] | * | - | * | * | - | * | * | * | 6/9 |
Schöchl 2011 [28] | * | - | * | * | - | * | * | * | 6/9 |
Rourke 2012 [42] | * | - | * | * | - | * | * | * | 6/9 |
Woolley 2012 [30] | * | - | * | * | - | * | * | * | 6/9 |
Hagemo 2015 [43] | * | - | * | * | - | * | * | * | 6/9 |