Table 1.

Baseline characteristics of study patients

	N (203)
Age, yrs	42.7 ± 16.5
Male (N,%)	155 (76)
History of cardiovascular disease (N,%)	4 (2)
Time between symptoms onset and CMR (days)	3 ± 2
Time between CMR and subsequent assessment of LV EF (months)	9.8 ± 6.8
Time between CMR and follow-up (months)	18.9 ± 8.2
Initial clinical score	4.6 ± 1.5
Clinical presentation at acute stage (N,%)
Chest pain - ST and/or T ECG changes - elevated troponin	143 (70)
Chest pain – recent history of viral infection – elevated troponin	22(11)
Chest pain – recent history of viral infection – ST and/or T ECG changes	16(8)
Sustained ventricular arrhythmias, cardiac arrest	12 (6)
Heart failure	10 (5)

Data are expressed as mean ± SD unless specified