Acupuncture to Treat Sleep Disorders in Postmenopausal Women: A Systematic Review

Table 2

Risk of bias assessment.

	Low risk	Unclear risk	High risk
Sequence generation ()	100.0%	0.0%	0.0%
Allocation concealment ()	85.7%	14.3%	0.0%
Blinding of participants and personnel ()	71.4%	0.0%	28.6%
Blinding of outcome assessors ()	57.1%	42.9%	0.0%
Incomplete outcome data ()	100.0%	0.0%	0.0%
Selective outcome reporting ()	100.0%	0.0%	0.0%
Other sources of bias ()	100.0%	0.0%	0.0%

Evaluation according to the Cochrane risk of bias tool.