Table 4.
Comparisons between severe and non-severe COVID-19 VRM
| Characteristics | Severe VRM (n = 95) | Non-severe VRM (n = 385) | P value |
|---|---|---|---|
| Median age (years), median (IQR) | 36 (22–51) | 28 (20–43) | 0.017 |
| Age group (years), n (%) | 0.006 | ||
| 12–17 | 15 (16) | 63 (16) | |
| 18–29 | 23 (24) | 138 (36) | |
| 30–39 | 14 (15) | 72 (19) | |
| 40–49 | 18 (19) | 45 (12) | |
| 50–59 | 11 (12) | 44 (11) | |
| 60–69 | 10 (11) | 13 (3) | |
| ≥ 70 | 4 (4) | 10 (3) | |
| Sex, n (%) | 0.016 | ||
| Female | 46 (48) | 135 (35) | |
| Male | 49 (52) | 250 (65) | |
| Presenting symptoms and signs, n (%) | |||
| Chest pain or discomfort | 56 (59) | 231 (60) | 0.851 |
| Dyspnea | 38 (40) | 90 (23) | 0.001 |
| Fever | 26 (27) | 51 (13) | <0.001 |
| Palpitations | 5 (5) | 55 (14) | 0.017 |
| Vital signs on admission, mean (SD) | |||
| Systolic BP (mmHg) | 104.6 (29.2) | 126.6 (21.3) | <0.001 |
| Diastolic BP (mmHg) | 65.0 (19.2) | 77.5 (15.2) | <0.001 |
| Heart rate (b.p.m.) | 88.2 (31.2) | 85.9 (18.2) | 0.554 |
| Body temperature (°C) | 37.0 (1.0) | 36.8 (0.7) | 0.151 |
| Comorbidity, n (%) | |||
| Diabetes mellitus | 2 (2) | 4 (1) | 0.339 |
| Hypertension | 10 (11) | 17 (4) | 0.021 |
| Dyslipidemia | 4 (4) | 7 (2) | 0.240 |
| Coronary artery disease | 0 (0.0) | 2 (1) | 1.000 |
VRM, vaccine-related myocarditis; BP, blood pressure; IQR, interquartile range; SD, standard deviation.