Patient characteristics
| . | No. (%) of children . |
|---|---|
| Sex | |
| Male | 82 (68.3) |
| Female | 38 (31.7) |
| Age group | |
| 0-3 y | 7 (5.8) |
| 4-6 y | 20 (16.7) |
| 7-9 y | 20 (16.7) |
| 10-12 y | 21 (17.5) |
| 13-15 y | 29 (24.2) |
| 16-18 y | 23 (19.2) |
| Ethnic origin | |
| White | 91 (75.8) |
| Indian/Pakistani | 10 (8.3) |
| Chinese | 4 (3.3) |
| Black Caribbean | 3 (2.5) |
| Black African | 3 (2.5) |
| South-East Asian/Filipino | 2 (1.7) |
| Other* | 7 (5.8) |
| Indication for anticoagulation with warfarin | |
| Fontan procedure | 64 (53.3) |
| Prosthetic heart valve | 18 (15.0) |
| Coronary aneurysm | 11 (9.2) |
| Dilated cardiomyopathy | 6 (5.0) |
| Deep vein thrombosis/pulmonary embolism | 6 (5.0) |
| Pulmonary hypertension | 5 (4.2) |
| Stroke | 2 (1.7) |
| Other† | 8 (6.7) |
| Target INR range | |
| 2.0-3.0 | 101 (84.2) |
| 2.5-3.5 | 19 (15.8) |
| Total no. of children | 120 (100) |
| . | No. (%) of children . |
|---|---|
| Sex | |
| Male | 82 (68.3) |
| Female | 38 (31.7) |
| Age group | |
| 0-3 y | 7 (5.8) |
| 4-6 y | 20 (16.7) |
| 7-9 y | 20 (16.7) |
| 10-12 y | 21 (17.5) |
| 13-15 y | 29 (24.2) |
| 16-18 y | 23 (19.2) |
| Ethnic origin | |
| White | 91 (75.8) |
| Indian/Pakistani | 10 (8.3) |
| Chinese | 4 (3.3) |
| Black Caribbean | 3 (2.5) |
| Black African | 3 (2.5) |
| South-East Asian/Filipino | 2 (1.7) |
| Other* | 7 (5.8) |
| Indication for anticoagulation with warfarin | |
| Fontan procedure | 64 (53.3) |
| Prosthetic heart valve | 18 (15.0) |
| Coronary aneurysm | 11 (9.2) |
| Dilated cardiomyopathy | 6 (5.0) |
| Deep vein thrombosis/pulmonary embolism | 6 (5.0) |
| Pulmonary hypertension | 5 (4.2) |
| Stroke | 2 (1.7) |
| Other† | 8 (6.7) |
| Target INR range | |
| 2.0-3.0 | 101 (84.2) |
| 2.5-3.5 | 19 (15.8) |
| Total no. of children | 120 (100) |
Mixed race, n = 5; Canadian Aboriginal, n = 1; and Middle Eastern, n = 1.
One patient each with arrhythmia, bidirectional Glenn procedure, cerebral sinovenous thrombosis, left coronary artery to right ventricular fistula, recurrent transient ischemic attack, transposition of the great arteries, truncal valve replacement, and ventricular assist device.