Mackenzie 2000.

Methods	RCT. Initial no. of patients not presented: only patients with complete follow‐up were included.
Participants	0% female. Electrophysiologically confirmed CTS, idiopathic CTS. 10 out of 26 patients treated bilaterally.
Interventions	(1) ECTR one‐portal Agee technique (22 hands). (2) OCTR with short incision (14 hands).
Outcomes	Severity of symptoms. Functional status. Complications.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment (selection bias)	Unclear risk	B ‐ Unclear