Table 3.

Results of sensitivity analyses based on quality of studies and exclusion of studies with missing data.

	No. Studies Involved		Pooled SMD (95% CI)
	EDD	EID	EDD	EID
Quality of studies
All studies	13	11	−0.832 (−1.172, −0.492)^†	−0.179 (−0.433, 0.075)
High-quality studies^*	6	6	−0.904 (−1.411, −0.397)^†	−0.312 (−0.748, 0.125)
Missing data
All studies	13	11	−0.832 (−1.172, −0.492)^†	−0.179 (−0.433, 0.075)
Studies without missing data^**	10	8	−0.801 (−1.237, −0.364)^†	−0.099 (−0.266, 0.068)

↵* Newcastle-Ottawa quality assessment scale total score ≥ 7.
↵** Exclusion of Ahmadi, et al¹⁹, Piper, et al⁷, and Wright, et al¹⁶.
↵† p < 0.001. SMD: standardized mean difference; EDD: endothelium-dependent dilation at brachial artery; EID: endothelium-independent dilation at brachial artery.