Table 1.

Comparison between active and borderline myocarditis: clinical data

	Active	Borderline
Number of patients	26 (62%)	16 (38%)
Age (years)	37 (15) (range 14–77)	40 (13) (range 20–61)
Men/women	16/10	9/7
Familial history of dilated cardiomyopathy	0 (0%)	3 (19%)*
Peripartum onset	2 (8%)	2 (12.%)
Personal history of autoimmune disease	2 (8%)	3 (19%)
Flu like syndrome	10 (38%)	6 (37.%)
Clinical features at onset
CHF	8 (31%)	11 (68.7%)
AMI-like	8 (31%)	3 (18.7%)
VT	7 (27%)	2 (12.5%)
Cardiogenic shock	3 (11%)	0 (0%)
NYHA functional class at onset	2.4 (1.3)	2.2 (1.2)
Follow up
NYHA functional class	1.3 (0.6)	1.1 (0.4)
Death/CT	4 (15%)	2 (12.5%)

Data are mean (SD).

*p = 0.02.

AMI, acute myocardial infarction; CHF, congestive heart failure; CT, cardiac transplantation; NYHA, New York Heart Association; VT, symptomatic ventricular tachycardia.