Table 1.
Demographics and details on treatments per WHO group.
| WHO 1 | WHO 2 | WHO 3 | WHO 4 | WHO 5 | Unknown | Total | ||
|---|---|---|---|---|---|---|---|---|
| Totala | 44 (19%) | 6 (3%) | 108 (46%) | 0 | 65 (28%) | 10 (4%) | 233 (100%a) | |
| Gender | Boys | 23 (52%) | 3 (50%) | 56 (52%) | 30 (48%) | 7 (70%) | 119 (51%a) | |
| Girls | 21 (48%) | 3 (50%) | 52 (48%) | 35 (52%) | 3 (30%) | 114 (49%a) | ||
| Premature birth | <37 weeks | 12 (27%) | 0 | 80 (74%) | 14 (22%) | 1 (10%) | 107 (46%a) | |
| Gestational age at birth | Weeks | 38 (24–42) | 39 (39–40) | 27 (22–41) | 39 (25–42) | 38 (36–42) | 37 (22–42) | |
| Down syndrome | 11 (25%) | 0 | 2 (2%) | 5 (8%) | 0 | 18 (8%a) | ||
| Duration of sildenafil therapy | <1 year | 22 (58%) | 5 (100%) | 59 (69%) | 30 (53%) | 9 (90%) | 125 (64%) | |
| 1 year or more | 16 (42%) | 0 | 26 (69%) | 27 (47%) | 1 (10%) | 70 (36%) | ||
| Other medications | Antacids | 21 (49%) | 1 (14%) | 61 (57%) | 36 (55%) | 4 (40%) | 123 (53%a) | |
| Antiarrhythmics | 12 (27%) | 3 (50%) | 18 (17%) | 21 (32%) | 0 | 54 (23%a) | ||
| Anticoagulants | 6 (14%) | 0 | 6 (6%) | 30 (46%) | 0 | 42 (18%a) | ||
| Diuretics | 33 (77%) | 5 (71%) | 69 (64%) | 55 (85%) | 1 (10%) | 163 (70%a) | ||
| Inhalations | 26 (61%) | 1 (14%) | 92 (85%) | 40 (62%) | 6 (60%) | 165 (71%a) | ||
| Thyroid hormones | 4 (9%) | 0 | 5 (5%) | 6 (9%) | 0 | 15 (6%a) | ||
| Catheterization performed | 20 (47%) | 1 (14%) | 23 (21%) | 47 (72%) | 0 | 91 (39%a) |
Note: Numbers are presented as n (% of WHO group) or median(range) as appropriate.
aPresented as n (% of total group).