Table 2.
Bias assessment.
|
Type of Bias |
Selection Bias | Performance Bias | Detection Bias | Attrition Bias |
|---|---|---|---|---|
| Study | ||||
| Titus S, 2013 | low | low | low | low |
| Wang ET, 2014 | intermediate | low | intermediate | intermediate |
| Phillips KA, 2016 | intermediate | low | low | low |
| Giordano S, 2016 | high | low | intermediate | low |
| Johnson L, 2017 | high | low | low | low |
| Ben-Aharon I, 2018 | intermediate | low | low | low |
| Porcu E, 2019 | low | low | low | low |
| Gunnala V, 2019 | intermediate | low | intermediate | high |
| Grynberg, 2019 | intermediate | low | intermediate | low |
| Ponce 2020 | high | low | intermediate | low |