Table 1 The results of quality assessment according to QUADAS 2 for the included studies
Study id | Risk of bias | Applicability concerns | |||||
|---|---|---|---|---|---|---|---|
| Â | Patient selection | Index test | Reference standard | Flow and timing | Patient selection | Index test | Reference standard |
Ayako Shimada2016 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Masahiro Niihara2016 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Young Joon Lee2015 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Satoshi Kamiya2015 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Shuhei Mayanagi2014 | 2 | 2 | ? | ? | 1 | ? | ? |
Yuko Kitagawa2013 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Ju-Hee Lee2013 | 1 | 1 | ? | ? | 1 | 1 | ? |
Do Joong Park2011 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Hiroya Takeuchi2011 | 1 | 2 | ? | ? | 1 | ? | ? |
Takashi Ichikura2009 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Jun Ho Lee 3rd trial 2009 | 1 | 2 | 1 | 1 | 1 | 1 | 1 |
Young-Joon Lee2008 pick up | 1 | 1 | ? | 2 | 1 | 1 | ? |
Young-Joon Lee2008 basin | 1 | 1 | ? | ? | 1 | 1 | ? |
Jun Ho Lee2006 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Yoshiro Saikawa2006 | 1 | 2 | ? | ? | 1 | 1 | ? |
Hitoshi Tonouchi2005 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Tomoaki Karube2004 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Hideki Hayashi2003 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Hitoshi Tonouchi2003 | 2 | 1 | 1 | 1 | 1 | 1 | 1 |