| Methods |
RCT |
| Participants |
90 participants (44 OCTR, 46 ECTR). No information on age or sex |
| Interventions |
OCTR vs 1‐portal ECTR |
| Outcomes |
Follow‐up at 6 months |
| Notes |
Abstract |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Unclear risk |
No information given |
| Allocation concealment (selection bias) |
Unclear risk |
No information given |
| Blinding of participants and personnel (performance bias)
All outcomes |
High risk |
No information given. Participants and personnel could not be blinded |
| Blinding of outcome assessment (detection bias)
All outcomes |
High risk |
No information given. Participants and personnel could not be blinded |
| Incomplete outcome data (attrition bias)
All outcomes |
Unclear risk |
No information given |
| Selective reporting (reporting bias) |
Unclear risk |
Insufficient information given |
| Other bias |
Unclear risk |
No information given regarding baseline differences, funding or conflicts of interest |
