Table 1.
Comparative Baseline Clinical and Laboratory Profiles of Study Participants Stratified by EF Levels
| Characteristic | AMY‐pEF (n=48) | AMY‐rEF (n=17) |
|---|---|---|
| Age, y | 28±8 | 32±5 |
| Male sex | 38 (79.2) | 14 (82.4) |
| Female sex | 10 (20.8) | 3 (17.6) |
| Height, cm | 172±7 | 170±10 |
| Weight, kg | 71±12 | 76±16 |
| Laboratory markers: TnI, ng/mL | 7.33±4.29 | 28.56±6.90 |
| Acute chest pain | 23 (47.9) | 15 (88.2) |
| Fever | 15 (31.3) | 4 (23.5) |
| Respiratory or gastrointestinal tract symptoms | 20 (41.7) | 5 (29.4) |
| Dyspnea | 25 (52.1) | 16 (94.1) |
| Chest discomfort | 31 (64.6) | 17 (100) |
| Palpitation | 18 (37.5) | 14 (82.4) |
| Presyncope or syncope | 6 (12.5) | 6 (35.3) |
| Unexplained cardiogenic shock | 0 (0) | 2 (11.8) |
| ECG/Holter/stress test features | 32 (66.7) | 17 (100) |
Data are presented as mean±SD or as number (percentage).
AMY‐pEF indicates acute myocarditis with preserved EF; AMY‐rEF, acute myocarditis with reduced EF; EF, ejection fraction; and TnI, troponin I.