Table 2 QUADAS-2 risk of bias assessment
From: Lung ultrasound for the diagnosis of pneumonia in adults: a systematic review and meta-analysis
Study | Risk of bias | Applicability concerns | |||||
|---|---|---|---|---|---|---|---|
| Â | Patient selection | Index test | Reference standard | Flow and timing | Patient selection | Index test | Reference standard |
Benci et al.[31] | L | ? | ? | L | L | ? | L |
Lichtenstein et al.[32] | L | L | L | L | L | L | L |
Lichtenstein et al.[33] | L | L | L | L | L | L | L |
Lichtenstein et al.[34] | L | L | L | L | L | L | L |
Parlamento et al.[35] | L | L | L | L | L | L | L |
Cortellaro et al.[21] | L | L | L | L | L | L | L |
Xirouchaki et al.[38] | L | L | L | L | L | L | L |
Reissig et al.[22] | L | L | L | L | L | L | L |
Testa et al.[36] | L | L | L | L | L | L | L |
Unluer et al.[37] | L | L | L | L | L | L | L |