Table 2 Quality assessment of case-controlled studies comparing surgical interventions for treating AIS using Newcastle-Ottawa Scale
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 | – |