Outcomes of the effect of exercise on cognitive function in patients with depression: A meta-analysis

Table 5 Quality assessment of outcome level

Outcome indicators	RCTs/item	Quality assessment of evidence					Number of events/sample size		Relative effect size	Quality
		Limitations	Inconsistency	Indirectness	Imprecision	Publication bias	Intervention group	Control group
Attention	22	Downgrade 1 level (A)	Downgrade 1 level (B)	No downgrade	No downgrade	No downgrade	877	877	0.21 (0.07, 0.34)	Low
Executive function	16	Downgrade 1 level (A)	Downgrade 1 level (C)	Downgrade 1 level (D)	No downgrade	No downgrade	521	464	0.11 (-0.11, 0.32)	Very low
Information processing speed	13	Downgrade 1 level (A)	Downgrade 1 level (B)	No downgrade	No downgrade	No downgrade	697	647	0.14 (0.04, 0.25)	Low
Memory	27	Downgrade1 level (A)	Downgrade 1 level (B)	No downgrade	No downgrade	No downgrade	1229	1124	0.08 (0.00, 0.16)	Low

RCT: Randomized controlled trial; A: Most studies did not perform allocation concealment and blinding assessment; B: Some studies did not differentiate the severity of depression in patients; C: High heterogeneity between studies; D: The assessment tools for executive function were not finely included.