Table 1.
Characteristics of 741 Children with Idiopathic Dilated Cardiomyopathy at Diagnosis, by Echocardiographic Status or Clinical Outcome within 2 Years after Diagnosis.
| Characteristic | Status 2 years after diagnosis | |||
|---|---|---|---|---|
|
| ||||
| Normalized, n=96 | Death or Transplant, n=317 | Persistently Abnormal, n=328 | P | |
| Follow up since diagnosis, median, months | 9.5 | 3.2 | 17.7 | |
| Age at diagnosis, mean (SD), years | 2.4 (4.0) | 5.4 (6.0) | 3.7 (5.3) | <0.001 |
| Median age at diagnosis, years | 0.93 | 1.67 | 0.91 | <0.001 |
| <1 years, % | 55.2 | 42.9 | 53.4 | <0.001 |
| 1- to 10 years, % | 35.4 | 26.8 | 29.3 | |
| > 10 years, % | 9.4 | 30.3 | 17.4 | |
| Height-for-age, mean (SD), z-score | −0.64 (1.74) | −0.52 (1.69) | −0.32 (1.48) | 0.30 |
| (n=47) | (n=193) | (n=208) | ||
| Race, % | 0.07 | |||
| White | 53.8 | 55.6 | 53.7 | |
| Black | 16.1 | 23.8 | 22.2 | |
| Hispanic | 25.8 | 15.2 | 15.1 | |
| Other | 4.3 | 5.4 | 9.0 | |
| Male, % | 43.8 | 49.2 | 45.4 | 0.50 |
| Era of diagnosis, % | 0.50 | |||
| 1990–1999 | 60.4 | 62.5 | 57.9 | |
| 2000–2010 | 39.6 | 37.5 | 42.1 | |
| Congestive heart failure at diagnosis, % | 74.0 | 88.3 | 69.4 | <0.001 |