Author group
| |
Selection
| | |
Comparability
| |
Exposure
| |
---|
|
Adequat-e case definitio-n
|
Representativeness of the cases
|
Selectio-n of Control-s
|
Definitio-n of Controls
|
Comparability of cases and controls
|
Ascertainm-ent of exposure
|
Same method of ascertainmen-t
|
Non Response rate
|
---|
Dobbs 2006 [26]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Zhang 2012 [52]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Zhang 2009 [41]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Qiu 2011 [42]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Zhang 2011 [51]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Kim 2005 [34]
|
1
|
1
|
–
|
1
|
1
|
1
|
1
|
–
|
Bullmann 2013 [46]
|
1
|
1
|
–
|
1
|
1
|
1
|
1
|
–
|
Vedantam 2000 [44]
|
1
|
1
|
–
|
1
|
1
|
1
|
1
|
–
|
Kim 2008 [33]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Faro 2005 [28]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Kishan 2007 [35]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Lenke 2004 [15]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Verma 2011 [45]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Zhou 2011 [49]
|
1
|
1
|
–
|
1
|
1
|
1
|
1
|
–
|
Greggi 2010 [31]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Lonner 2009 [37]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Newton 2013 [40]
|
1
|
1
|
–
|
1
|
1
|
1
|
1
|
–
|
Suk 2008 [43]
|
1
|
1
|
–
|
1
|
1
|
1
|
1
|
–
|
Graham 2000 [30]
|
1
|
1
|
–
|
1
|
1
|
1
|
1
|
–
|
Miljenko 2006 [29]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Lenke 1999 [36]
|
1
|
1
|
–
|
1
|
1
|
1
|
1
|
–
|
Wong 2004 [48]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
1
|
Muschik 2006 [39]
|
1
|
1
|
–
|
1
|
1
|
1
|
1
|
–
|
Lonner 2006 [38]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Hee 2007 [32]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Wang 2008 [47]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Dong 2015 [27]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
Zhan 2010 [50]
|
1
|
1
|
–
|
1
|
2
|
1
|
1
|
–
|
- AIS adolescent idiopathic scoliosis