Table 2 QUADAS-2 results
From: Lever sign test for anterior cruciate ligament injuries: a diagnostic meta-analysis
Study | Risk of bias | Applicability concerns | |||||
|---|---|---|---|---|---|---|---|
Patient selection | Index test | Reference standard | Flow and timing | Patient selection | Index test | Reference standard | |
Study 1 | ☺ | ? | ☺ | ☺ | ☺ | ☺ | ☺ |
Study 2 | ? | ☺ | ? | ? | ☺ | ☺ | ☺ |
Study 3 | ☹ | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ |
Study 4 | ☺ | ☹ | ? | ? | ☺ | ☺ | ☺ |
Study 5 | ? | ☹ | ☺ | ☺ | ? | ☺ | ☺ |
Study 6 | ☺ | ☺ | ☺ | ☺ | ☺ | ☺ | ? |
Study 7 | ? | ☺ | ? | ? | ☺ | ? | ☺ |
Study 8 | ☺ | ☺ | ? | ? | ? | ☺ | ☺ |
Study 9 | ☺ | ☹ | ? | ? | ? | ☺ | ☺ |
Study 10 | ☺ | ☹ | ? | ? | ☺ | ☺ | ☺ |
Study 11 | ☺ | ☹ | ? | ? | ☺ | ☺ | ☺ |
Study 12 | ☺ | ☹ | ? | ? | ☺ | ☺ | ☺ |