TABLE 8.
Bias author (year) | Random sequence generation (selection bias) | Allocation concealment (selection bias) | Blinding of participants and personnel (performance bias) | Blinding of outcome assessment (detection bias) | Incomplete outcome data (attrition bias) | Selective reporting (reporting bias) | Other bias | ||
---|---|---|---|---|---|---|---|---|---|
Objective outcomes | Subjective outcomes | Objective outcomes | Subjective outcomes | ||||||
Bassett et al. (1990) | Unclear risk | Unclear risk | N/A | Unclear risk | N/A | Low risk | Low risk | Unclear risk | Low risk |
Beheshti Roy et al. (2014) | Unclear risk | Unclear risk | N/A | High risk | N/A | Low risk | High risk | Unclear risk | Low risk |
Beikert et al. (2013) | Unclear risk | Unclear risk | Low risk | N/A | Low risk | N/A | Low risk | Unclear risk | Unclear risk |
Cho and Choi (2017) | Low risk | Unclear risk | High risk | N/A | Low risk | N/A | Low risk | Unclear risk | Low risk |
Enshaieh et al. (2007) | Low risk | Unclear risk | N/A | High risk | N/A | Low risk | Unclear risk | Unclear risk | Low risk |
Hugo Infante et al. (2023) | Low risk | Unclear risk | Low risk | N/A | Low risk | Unclear risk | Low risk | Unclear risk | Low risk |
Najai-Taher et al. (2022) | Low risk | Unclear risk | N/A | Unclear risk | N/A | Low risk | Unclear risk | Low risk | Unclear risk |
Rothenberger et al. (2016) | Unclear risk | Unclear risk | Low risk | N/A | Low risk | N/A | Low risk | Unclear risk | Unclear risk |
Satchell et al. (2002a) | Unclear risk | Unclear risk | N/A | High risk | N/A | Low risk | Low risk | Unclear risk | Unclear risk |