Presence of bias
| Items | Yes, n (%) | No, n (%) | Unclear, n (%) |
| Is there a time interval between reference standard ML test? | 23 (82) | 1 (4) | 4 (14) |
| Does the test population correspond to the population/setting in which the diagnosis test will be applied? | 5 (18) | 8 (29) | 15 (54) |