Table 3.

Quality assessment of the included RCT.

Bias	Authors' judgment	Support for judgment
Random sequence generation (selection bias)	Low risk	0
Allocation concealment (selection bias)	Low risk	Patients were randomized through an online telephone-guided response system.
Blinding of participants and personnel (performance bias)	High risk	The study is an open-label study.
Blinding of outcome assessment (detection bias)	Unclear risk	Insufficient evidence was presented that the assessment was independent since the study is open-label.
Incomplete outcome data (attrition bias)	Low risk	Attrition data were completely recorded in the study.
Selective reporting (reporting bias)	Low risk	No selective reporting.
Other bias	Unclear risk	Not mentioned.