Results of quality assessment of diagnostic accuracy studies (QUADAS) tool
| QUADAS criteria | No of studies fulfilling criteria |
|---|---|
| Representative sample | 19/29 |
| Selection criteria clearly described | 28/29 |
| Reference test appropriate | 29/29 |
| Short time between reference test and index test | 29/29 |
| Verification of diagnosis | 29/29 |
| Verification with same reference test | 29/29 |
| Reference and index test independence | 29/29 |
| Reference test replication | 29/29 |
| Index test blind | 29/29 |
| Data same as in clinical practice | 29/29 |
| Uninterpretable/intermediate results reported | 26/29 |
| Withdrawals explained | 28/29 |