| Bias | Authors' judgement | Support for judgement |
|---|---|---|
| Random sequence generation (selection bias) | Low risk | Quote: "In this double blind randomized clinical trial (RCT), block randomization was used and 60 cases were randomly divided into 2 groups." |
| Allocation concealment (selection bias) | Unclear risk | No clear information was available about allocation concealment |
| Blinding of participants and personnel (performance bias) | Unclear risk | No clear information available |
| Blinding of outcome assessment (detection bias) | Unclear risk | No clear information available |
| Incomplete outcome data (attrition bias) | Low risk | Minimal loss to follow up |
| Selective reporting (reporting bias) | Low risk | Authors seem to report all the outcomes irrespective of their statistical significance |
| Other bias | Low risk | No other risk of bias was noted |
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