Identification of patients with nonischemic dilated cardiomyopathy at risk of malignant ventricular arrhythmias: insights from cardiac magnetic resonance feature tracking

Table 2 Subgroup comparison CMR parameters of NIDCM patients combined with and without VAs based on the absence of LGE on CMR

Variable	NIDCM with VAs, LGE (-) (n = 21)	NIDCM without VAs LGE (-) (n = 110)	t/Z	P value
LVEF (%)	41.68 ± 7.25	42.89 ± 6.43	−5.42	0.07
LVEDVI (mL/m²)	191.65 (166.14, 213.23)	189.50 (167.75, 212.68)	−0.84	0.14
LVESVI (mL/m²)	120.76 (109.43, 140.65)	119.55 (101.67, 144.82)	−3.15	0.21
SVI (mL/m²)	40.24 ± 10.54	41.19 ± 11.75	−0.36	0.85
CI (L/min/m²)	3.70 (2.79, 4.63)	3.69 (2.33, 4.55)	−0.44	0.72
GPRS (%)	11.74 (9.23, 14.31)	14.66 (10.40, 17.45)	−4.31	0.02
GPCS (%)	−6.44 (− 8.26, − 5.15)	−10.33 (− 11.58, − 9.27)	−7.14	< 0.01
GPLS (%)	−9.75 ± 2.64	−11.85 ± 2.04	2.53	0.01

Results are reported as mean ± SD, percentages, or median (interquartile range) as appropriate. NIDCM, nonischemic dilated cardiomyopathy; LVEF, left ventricular ejection; CI, Cardiac index; LVEDVI, left ventricular end-diastolic volume index; LVESVI, left ventricular end-systolic volume index; SVI, indexed-stroke volume; LGE, late gadolinium enhancement; LGE (-), late gadolinium enhancement negative; GPRS, global peak radial strain; GPCS, global peak circumferential strain; GPLS, global peak longitudinal strain

ISSN: 1471-2261