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Bias analysis of case-control studies
| DM/MetS | Case-control | Newcastle-Ottawa quality assessment scale | |||
| Study | Selection (four stars total) |
Comparability (two stars total) |
Exposure (three stars total) |
Total (out of 9) |
|
| DM | Lieske et al 31 | **** | ** | ** | 8 |
| Davarci et al 32 | * | * | *** | 5 | |
DM, diabetes mellitus; MetS, metabolic syndrome.
