Authors | Selection bias | Sample size bias | Detection bias (Assessment of outcome) | Attrition bias (Incomplete outcome data addressed) | Reporting bias (Free of selective reporting) | ||
---|---|---|---|---|---|---|---|
Recall bias | Information or Miss classification bias | Assessment of exposure | |||||
Margari et al. [8] | + | О | + | + | + | + | + |
Thakkar et al. [20] | + | О | + | + | + | + | + |
Bandla et al. [2] | + | - | + | + | + | + | + |
Altay & Gorker [19] | - | - | + | + | + | + | + |
Toro et al. [21] | + | О | + | + | + | + | + |