Table 1

 Characteristics of patients on admission

PatientAge on admission (months)Initial LVEF (%)Initial sPAP (mm Hg)Reduced QRS amplitude on ECGCK/TnI riseViral agentEMB results
AM, active myocarditis; BM, borderline myocarditis; CK, creatine kinase; EMB, endomyocardial biopsy; EBV, Epstein–Barr virus; LVEF, left ventricular ejection fraction; PV B19, parvovirus B19; sPAP, systolic pulmonary artery pressure; TnI, troponin I; VZV, varicella zoster virus.
121.72525YesNoPV B19
2122444NoNoAM
3173040NoNo
412.81030NoNoPV B19
513.62045NoNoEBVBM
6113045NoNoVZV
716.54055NoNo
84.12550YesNoCoxsackie
97.11550NoYesAM
100.21060YesYes
111141550NoNo