Table 5.
WSPH groups 1 and 3: demographics by left heart catheterization status
| Catheterization (N = 671) | LHC: Yes (n = 254) | LHC: No (n = 417) | P Value | |
|---|---|---|---|---|
| Age at diagnosis, yr | 4.1 ± 5.1 | 3.4 ± 4.6 | 4.5 ± 5.3 | 0.004 |
| Median (IQR) | 1.4 (0.4–6.6) | 0.9 (0.3–5.0) | 2.1 (0.4–7.2) | 0.001 |
| Male | 323 (48.1) | 125 (49.2) | 198 (47.5) | 0.663 |
| Race | — | — | — | 0.069 |
| White | 401 (59.8) | 147 (57.9) | 254 (60.9) | — |
| Black | 79 (11.8) | 24 (9.4) | 55 (13.2) | — |
| Asian | 87 (13.0) | 43 (16.9) | 44 (10.6) | — |
| Other/unknown | 104 (15.5) | 40 (15.7) | 64 (15.3) | — |
| Hispanic | 119 (17.7) | 51 (20.1) | 68 (16.3) | 0.090 |
| WSPH group | — | — | — | 0.409 |
| 1 | 454 (67.7) | 167 (65.7) | 287 (68.8) | — |
| 3 | 217 (32.3) | 87 (34.3) | 130 (31.2) | — |
| Functional class* | — | — | — | 0.001 |
| I/II | 262 (50.9) | 87 (42.2) | 175 (56.6) | — |
| III/IV | 253 (49.1) | 119 (57.8) | 134 (43.4) | — |
| Abnormal LVEDP or LAP | — | — | — | — |
| Yes (⩾15 mm Hg) | — | 31 (12.2) | — | — |
| No | — | 223 (87.8) | — | — |
Definition of abbreviations: IQR = interquartile range; LAP = left atrial pressure; LHC = left heart catheterization; LVEDP = left ventricular end-diastolic pressure; WSPH = World Symposium on Pulmonary Hypertension.
Data are shown as mean ± SD or n (%) unless otherwise specified. P values in boldface type denote statistical significance.
*
Combines Pediatric Functional Class and World Health Organization functional class.