Appendix Table 3.
| Study | Selection | Comparability | Outcome | Overall Score | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1) Representatives of the exposed cohort Truly representative of the average population in the community (*) |
2) Selection of the non exposed cohort Drawn from the same community (*) |
3) Ascertainment of exposure Secure record (*) |
4) Demonstration that outcome of interest was not present at start of study YES (*) |
1) Study controls for age? YES (*) |
2) Study controls for gender? YES (*) |
1) Assessment of outcome independent blind Assessment (*) |
2) Was follow-up long enough for outcomes to occur? YES (*) |
3) Adequacy of follow-up of cohorts Complete follow-up – all subjects accounted for (*) |
||
| Pensabene et al, 2015 | * | * | * | NA | * | * | * | * | * | 8/9 |
| Schwille-Kiuntke et al 2015 | * | NA | − | * | − | − | * | * | * | 4/6 |
| Bettes et al, 2014 | * | NA | * | * | − | − | * | * | − | 5/6 |
| Cremon et al, 2014 | * | * | * | * | * | * | * | * | − | 8/9 |
| Hanevik et al, 2014 | * | * | * | NA | * | * | * | * | − | 7/9 |
| Kowalcyk et al, 2014 | * | * | − | * | * | * | * | * | * | 8/9 |
| Nair et al, 2014 | * | * | * | * | − | − | * | * | * | 7/9 |
| Nielsen et al, 2014 | * | NA | * | * | − | − | * | * | − | 5/6 |
| Lalani et al, 2013 | * | * | − | * | − | − | * | * | * | 6/9 |
| Van wanrooij et al, 2013 | * | * | − | * | − | − | * | * | − | 5/9 |
| Koh et al, 2012 | * | NA | * | * | − | − | * | * | * | 6/6 |
| Porter et al, 2012 | * | * | − | NA | − | − | − | * | * | 4/9 |
| Wensaas et al, 2012 | * | * | * | NA | * | * | * | * | − | 7/9 |
| Youn et al, 2012 | − | * | − | * | * | * | * | * | − | 6/9 |
| Zanini et al, 2012 | * | * | − | * | − | − | * | * | − | 5/9 |
| Pitzurra et al, 2011 | * | * | − | * | − | − | * | * | − | 5/9 |
| Schwille-Kiuntke et al, 2011 | * | NA | * | * | − | − | * | * | − | 5/6 |
| Lim et al., 2010 | − | * | − | NA | * | * | * | * | − | 5/9 |
| Thabane et al, 2010 | * | * | * | * | − | − | * | * | − | 7/9 |
| Hanevik et al, 2009 | * | * | * | NA | * | * | * | * | * | 8/9 |
| Jung et al, 2009 | − | * | * | * | * | * | * | * | * | 8/9 |
| Saps et al, 2009 | * | * | * | * | * | * | * | * | * | 9/9 |
| Saps et al, 2008 | * | * | * | * | * | * | * | * | * | 9/9 |
| Marshall et al, 2007 | * | * | − | * | − | − | * | * | − | 5/9 |
| Piche et al, 2007 | * | NA | * | * | − | − | * | * | * | 6/6 |
| Ruigomez et al, 2007 | * | * | * | * | * | * | − | * | * | 8/9 |
| Soyturk et al, 2007 | * | * | * | * | * | * | * | * | * | 9/9 |
| Spence et al, 2007 | * | NA | * | * | − | − | * | * | − | 5/6 |
| Tornblom et al, 2007 | * | * | * | * | * | * | * | * | − | 8/9 |
| Bargonkoar et al, 2006 | * | NA | * | * | − | − | * | * | − | 5/6 |
| Marshall et al, 2006 | * | * | − | * | * | * | * | * | * | 8/9 |
| Stermer et al, 2006 | * | * | − | * | − | − | * | * | * | 6/9 |
| Ji S et al, 2005 | − | * | − | * | * | * | * | * | * | 7/9 |
| Mearin et al, 2005 | * | * | − | * | * | * | * | * | − | 7/9 |
| Okhuysen et al, 2004 | * | NA | − | NA | − | − | * | * | * | 4/6 |
| Wang et al, 2004 | * | * | * | * | − | − | * | * | * | 7/9 |
| Cumberland et al, 2003 | * | * | − | NA | * | * | * | * | * | 7/9 |
| Dunlop et al, 2003 | * | NA | * | * | − | − | * | * | − | 5/6 |
| Ilnycckyj et al, 2003 | * | * | − | * | − | − | * | * | * | 6/9 |
| Parry et al, 2003 | * | * | * | * | * | * | * | * | − | 8/9 |
| Gwee et al, 1999 | * | NA | * | * | − | − | * | * | − | 5/6 |
| Rodriguez et al, 1999 | * | * | * | * | * | * | * | * | * | 9/9 |
| Neal et al, 1997 | * | NA | * | * | − | − | * | * | − | 5/6 |
| Gwee et al, 1996 | * | NA | * | * | − | − | * | * | − | 5/6 |
| McKendrick et al, 1994 | * | NA | * | * | − | − | * | * | * | 6/6 |