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Retrospective Study
Copyright: ©Author(s) 2026.
World J Cardiol. Mar 26, 2026; 18(3): 116661
Published online Mar 26, 2026. doi: 10.4330/wjc.v18.i3.116661
Figure 1
Figure 1 Flowchart of the present study. VSA: Vasospastic angina; SPT: Spasm provocation test; PCI: Percutaneous coronary intervention; FMD: Flow-mediated dilation; FMD-H: High-flow-mediated dilation; FMD-L: Low-flow-mediated dilation.
Figure 2
Figure 2 Kaplan-Meier curve for major adverse cardiovascular event-free survival during the follow-up period. A: The high-flow-mediated dilation and low-flow-mediated dilation groups; B: The high-nitroglycerin-induced dilation and low-nitroglycerin-induced dilation groups. MACE: Major adverse cardiovascular event; FMD-H: High-flow-mediated dilation; FMD-L: Low-flow-mediated dilation; NID-H: High-nitroglycerin-induced dilation; NID-L: Low-nitroglycerin-induced dilation.