Table 1.
Demographic characteristics and clinical details of the patients (n = 124) and controls (n = 202).
| Parameter | Value |
|---|---|
| Average age (mean ± SD years) | |
| Controls | 20.5 ± 4.2 |
| Patients (at follow-up) | 19 ± 5 |
| Patients (age of onset at diagnosis) | 7.9 ± 2.4 |
| Gender: male/female (%) | |
| Controls | 55/45 |
| Patients | 56/44 |
| Clinical manifestations | N cases (%) |
| Characteristics | |
| Valvular lesion | |
| Mitral valve lesion (MVL) | 67 (54) |
| Combined valve lesion (CVL) | 57 (46) |
| Carditis | 79 (64) |
| Arthritis | 71 (57) |
| Chorea | 14 (11) |
| Skin rash | 3 (2) |
| Subcutaneous nodules | 2 (2) |
| Recurrence | NA |
| Laboratory findings at presentation | |
| Elevated acute phase reactants (CRP/ESR) | 98 (79) |
| Prolonged PR interval | 68 (55) |
N, number; N cases, number of cases; NA, not available; CRP, C-reactive protein; ESR, erythromycin sedimentation rate.