Table 2.

Overview of the prevalence of suspected MVA using specific modalities for MVA

	Total	Study design		Diagnostic modality
		Trials	No-trials	Acetylcholine test	IV CFR	TTDE CFR	TFC
N studies	11	6	5	6	1	2	2
Median	27.8%	34.8%	26.7%	28.2%	46.5%	25.2%	33.9%
Range	13.5–46.5%	13.5–46.5%	15.2–33.2%	13.5–40.0%	46.5%	22.1–25.2%	27.8–39.9%

CFR, coronary flow reserve; IV, invasive; MVA, microvascular angina; N, number; TFC, TIMI frame count; TTDE, transthoracic Doppler echocardiography.