Retrospective Study
Copyright ©The Author(s) 2023.
World J Cardiol. Apr 26, 2023; 15(4): 154-164
Published online Apr 26, 2023. doi: 10.4330/wjc.v15.i4.154
Table 5 Coronary angiography spasm provocation test parameters in the two groups

Group O
Group Y
P value
CAG
Atherosclerotic change (%)47 (61)0 (0)< 0.01
Myocardial bridging (%)13 (17)3 (18)0.94
SPT
Focal/diffuse/focal and diffuse16/48/330/15/20.08
Presence of focal spasm (%)29 (38)2 (12)0.04
Multi-vessels spasm (%, No.)39 (57, 68)8 (67, 12)0.56
Vessels of spasm
RCA (%, No.)44 (62, 71)10 (67, 15)0.72
LAD (%, No.)70 (96, 73)13 (93, 14)0.62
LCX (%, No.)5 (7, 72)5 (38, 13)< 0.01
An unavoidable use of NTG (%)14 (18)8 (47)0.01
ST deviation during SPT (%)10 (13)5 (29)0.09