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| Methods | RCT | |
| Participants | Mean age 45 to 53 years. 68% female. Electrophysiologically confirmed CTS. | |
| Interventions | (1) ECTR: two‐portal transbursal Chow technique (91 patients). (2) OCTR (32 patients). | |
| Outcomes | Symptom severity scale. Pain. Functional status. Return to work. Complications. | |
| Notes | ||
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | Unclear risk | B ‐ Unclear |
