Table 1.
Characteristics of the Overall Cohort
| Characteristics | Overall Cohort (n = 240) |
|---|---|
| Demographics | |
| Male sex | 135 (56) |
| Age, y | 51 [34-62] |
| Race | |
| White | 121 (50.4) |
| Black | 100 (41.7) |
| Othera | 19 (7.9) |
| BMI | 28 [24-32] |
| Medical history | |
| Hypertension | 37 (15.4) |
| Diabetes | 51 (21.3) |
| Dyslipidemia | 79 (32.9) |
| Coronary artery disease | 52 (21.7) |
| Chronic heart failure | 51 (21.3) |
| Stroke/transient ischemic attack | 13 (5.4) |
| Atrial fibrillation | 63 (26.3) |
| Myocardial infarction | 33 (13.8) |
| Active smokers | 77 (32.2) |
| Autoimmune diseases | 24 (10.0) |
| TB | 2 (0.8) |
| Chest radiation | 8 (3.3) |
| Neoplastic diseases | 30 (12.5) |
| Severe chronic kidney disease | 44 (18.4) |
| Chest trauma | 4 (1.7) |
| Recent cardiac procedure | |
| Percutaneous coronary intervention | 7 (2.9) |
| Pacemaker/cardiac ablation | 24 (10.0) |
| Cardiac surgery | 19 (7.9) |
| Therapies | |
| Immunosuppression | 15 (6.3) |
| High dose corticosteroids | 9 (3.8) |
| Oral anticoagulation | 27 (11.3) |
| Etiology | |
| Idiopathic | 126 (52.5) |
| Postcardiac injury | 79 (32.9) |
| Other | 35 (14.5) |
| Clinical presentation | |
| Fever | 21 (8.9) |
| Subacute presentation | 12 (5.1) |
| Trauma | 5 (2.1) |
| Pericardial effusion | 107 (47%) |
| Severe pericardial effusion | 49 (20.6) |
| Heart failure | 43 (18.1) |
| Chest pain | 220 (93.2) |
| Cardiac examination | |
| Pericardial rub | 43 (18.5) |
| Pulsus paradoxus | 10 (4.3) |
| Kussmaul sign | 4 (1.7) |
| ECG | |
| PR depression | 70 (30.6) |
| ST elevation | 104 (45.4) |
| T wave inversion | 57 (24.9) |
| Laboratory | |
| WBC, No. ×103/mL | 9.4 [6.7-12.3] |
| Neutrophils, No. ×103/mL | 6.7 [4.2-9.5] |
| Lymphocyte, No. ×103/mL | 1.6 [1.0-2.0] |
| Hemoglobin, g/dL | 12.1 [10.4-13.5] |
| Platelets, No. ×103/mL | 240 [177-325] |
| Creatinine, mg/dL | 0.89 [0.72-1.1] |
| C-reactive protein, mg/dL | 10.0 [1.6-18.6] |
| Erythrocyte sedimentation rate, mm/h | 52 [23-88] |
| Troponin ≥ 0.20 ng/mL | 46 (27.5) |
| Treatment at presentation | |
| Nonsteroidal antiinflammatory drugs | 169 (70.7) |
| Colchicine | 152 (63.6) |
| Glucocorticoids | 29 (12.2) |
| Surgical procedure | |
| Pericardiectomy | 8 (3.3) |
| Pericardial window | 7 (2.9) |
| Pericardiocentesis | 27 (11.3) |
| Outcomes | |
| Composite outcomeb | 82 (34.2) |
| Treatment failure | 17 (7.2) |
| Recurrent pericarditis | 38 (15.8) |
| Cardiac tamponade | 31 (13.0) |
| Constrictive pericarditis | 9 (3.8) |
| Death | 9 (3.8) |
| Rehospitalization for any cause | 90 (37.7) |
The data are presented as No. (%) of all cases or as median [interquartile range].
a
Other includes Asian, Native American, Hispanic, or not specified.
b
Composite end point defined as the presence of any of the following: failure of treatment, recurrences, cardiac tamponade, constrictive pericarditis, or death.