Table 2.

MPI stress test results and outcomes for sCMR and SPECT-MPI. Values are indicated as number (n) and percentage (%), mean ± SD or median and interquartile range

	Stress CMR (287 patients)	Stress SPECT-MPI (382 patients)	p value
MPI test results
Positive result, n(%)	52 (18.1)	49 (12.8)	0.059
Percentage of stress ischemia, %	8.6 ± 3.4	8.2 ± 4.4	0.515
Number of stress ischemic segments	3 (2–4)	4 (2–4)	0.429
Mild ischemia, n (%)	9 (3.1)	10 (2.6)	0.68
Moderate–severe ischemia, n (%)	43 (14.9)	39 (10.2)	0.06
Presence of LGE and Ischemia, n (%)	34 (11.8)	n.a	n.a
Presence of LGE at CMR, n(%)	114 (39.7)	n.a	n.a
–ischemic LGE	76 (67)
–non-ischemic LGE	38 (33)
Number of CMR LGE segments	2 (1–3)	n.a	n.a
Presence of rest and stress ischemia at SPECT, n (%)	n.a	30 (7.9)	n.a
Presence of rest ischemia at SPECT, n(%)	n.a	119 (31.2)	n.a
Percentage of SPECT rest ischemia, %	n.a	6.1 ± 3.1	n.a
Number of SPECT rest ischemic segments	n.a	3 (2 – 5)	n.a
LVEF, %	58.7 ± 10.0	61.9 ± 9.7	0.001
LVEDV, ml	141 ± 37.8	135 ± 26.8	0.061
ICA, n(%)	54 (18.8)	51 (13.3)	0.054
Revascularized patients, n(%)	44 (15.3)	38 (9.7)	0.036
Rate of revascularization in patients with reversible ischemia, n(%)	44 (84.5)	38 (77.6)	0.448
Outcomes
Composite endpoint, n(%)	3 (1.1)	5 (1.3)	0.756
Acute coronary syndrome, n(%)	2 (0.7)	5 (1.3)	0.441
Myocardial infarction, n(%)	1 (0.3)	3 (0.8)	0.638
STEMI, n(%)	0 (0.0)	0 (0.0)	n.a
NSTEMI, n(%)	1 (0.3)	3 (0.8)	0.638
Unstable angina, n(%)	1 (0.3)	2 (0.5)	1.000
Cardiogenic pulmonary edema, n(%)	1 (0.3)	0 (0.0)	0.429

Bold indicates that the p value reached statistical significance with p value < 0.05

ICA invasive coronary angiography, LGE late gadolinium enhancement, LVEDV left ventricular end-diastolic volume, LVEF left ventricular ejection fraction, MPI myocardial perfusion imaging; n.a. not applicable, NSTEMI non-ST-segment elevation myocardial infarction, sCMR stress cardiac magnetic resonance, SPECT single-photon emission computed tomography, STEMI ST-segment elevation myocardial infarction