Chinese Medicinal Herbs in the Treatment of Diabetic Cognitive Impairment: A Systematic Review and Meta-Analysis

Table 3

Assessment of studies quality.

No.	Random allocation/random number table	Allocation concealment	Blinding description	Follow-up description	Score
1	YES/YES	NO	NO	NO	2
2	YES/NO	NO	UNCLEAR	YES	3
3	YES/YES	NO	UNCLEAR	NO	3
4	YES/NO	NO	NO	NO	1
5	YES/NO	NO	UNCLEAR	NO	2
6	YES/NO	NO	NO	YES	2
7	YES/NO	NO	NO	NO	1
8	YES/NO	NO	NO	NO	1
9	YES/ YES	NO	UNCLEAR	YES	4