Table 2.
Results of the quality assessment according to the QUADAS-2 tool
| Risk for bias | Applicability concerns | ||||||
|---|---|---|---|---|---|---|---|
| Study | Patient selection | Index test | Reference standard | Flow and timing | Patient selection | Index test | Reference standard |
| Detjen et al. (2007) [27] | H | L | L | L | L | L | L |
| Domínguez et al. (2008) [28] | U | H | L | U | L | L | L |
| Kampmann et al. (2009) [29] | H | L | L | L | L | L | L |
| Lighter et al. (2009) [30] | H | U | U | L | L | L | L |
| Hansted et al. (2009) [31] | L | H | L | L | L | L | L |
| Bamford et al. (2010) [32] | H | L | L | H | L | L | L |
| Sun Lin et al. (2010) [33] | H | L | H | H | L | L | L |
| Tsolia et al. (2010) [34] | L | U | H | H | L | L | L |
| Cruz et al. (2011) [35] | H | H | L | H | L | L | L |
| Chiappini et al. (2012) [36] | L | H | L | L | L | L | L |
| Lodha et al. (2013) [37] | H | U | U | L | L | L | L |
| Blandinières et al. (2013) [38] | H | U | U | L | L | L | L |
| Jenum et al. (2014) [39] | L | U | U | H | L | L | L |
| Chiappini et al. (2014) [40] | L | U | U | H | L | L | L |
| Petrone et al. (2015) [41] | H | U | U | H | L | L | L |
H high risk for bias, U unclear risk for bias, L low risk for bias