Table 4.
WSPH groups 1 and 3: RHC versus LHC versus no LHC of the total (row percentage)
| All (N = 1,383) | RHC (n = 671) | LHC: Yes (n = 254) | LHC: No (n = 417) | No Catheterization | |
|---|---|---|---|---|---|
| WSPH group1 | 663 | 454 (68.5) | 167 (25.2) | 287 (43.3) | 209 (31.5) |
| WSPH group 3 | 720 | 217 (30.1) | 87 (12.1) | 130 (18.1) | 503 (69.9) |
| Age < 1 yr at diagnosis | 879 | 302 (34.4) | 131 (14.9) | 171 (19.5) | 577 (65.6) |
| Age ⩾ 1 yr at diagnosis | 504 | 369 (73.2) | 123 (24.4) | 246 (48.8) | 135 (26.8) |
Definition of abbreviations: LHC = left heart catheterization; RHC = right heart catheterization; WSPH = World Symposium on Pulmonary Hypertension.
Data are shown as n (%).