Table 1.
Baseline data and comorbidities before the index hospitalization or death.
| Myocarditis | Reference population | p-value | |
|---|---|---|---|
| Age < 50 years | 5524 (63.7) | 11,009 (66.2) | |
| Women | 2181 (25.1) | 4044 (24.3) | |
| Year | |||
| 2000–2004 | 2560 (29.5) | 4783 (28.8) | |
| 2005–2009 | 2754 (31.7) | 5297 (31.9) | |
| 2010–2014 | 3365 (38.8) | 6542 (39.4) | |
| Cancer (all forms) | 518 (6.0) | 658 (4.0) | < 0.0001 |
| Hypertension | 876 (10.1) | 800 (4.8) | < 0.0001 |
| Diabetes | 485 (5.6) | 410 (2.5) | < 0.0001 |
| Myocardial infarction | 659 (7.6) | 318 (1.9) | < 0.0001 |
| Any coronary heart disease | 1074 (12.4) | 655 (3.9) | < 0.0001 |
| Any cardiovascular disease | 2604 (30.0) | 2046 (12.3) | < 0.0001 |
| Heart failure/dilated cardiomyopathy | 882 (10.2) | 81 (0.5) | < 0.0001 |
| Acute pericarditis | 291 (3.4) | 5 (0.0) | < 0.0001 |
| Atrial fibrillation | 798 (9.2) | 363 (2.2) | < 0.0001 |
| Ventricular tachycardia/Torsade de pointes | 92 (1.1) | 22 (0.1) | < 0.0001 |
| Supra ventricular tachycardia | 61 (0.7) | 35 (0.2) | < 0.0001 |
| Atrioventricular block II/III | 75 (0.9) | 33 (0.2) | < 0.0001 |
| Sick sinus syndrome | 52 (0.6) | 30 (0.2) | < 0.0001 |
Description of age, gender, incidence period and of relevant comorbidities prior to diagnosis in all individuals with myocarditis in Sweden from 2000 to 2014, as well as in their age and gender matched controls.