Baseline characteristics of the study population, stratified by calendar-year groups at time of diagnosis
| . | . | 1977–1986 . | 1987–1996 . | 1997–2006 . | 2007–2018 . | Total . |
|---|---|---|---|---|---|---|
| Patients, n | 2687 | 3462 | 4218 | 6790 | 17 157 | |
| Median age of diagnosis, years (IQR) | 7 (0–21) | 0 (0–7) | 0 (0–10) | 1 (0–40) | 1 (0–23) | |
| Sex, male, n (%) | 1318 (49.0) | 1640 (47.4) | 1938 (45.9) | 3348 (49.3) | 8242 (48.0) | |
| Simple CHD diagnosis, n (%) | Ventricular septal defect | 1180 (43.9) | 1383 (39.9) | 1560 (37.0) | 1691 (24.9) | 5814 (33.9) |
| Atrial septal defect | 676 (25.2) | 793 (22.9) | 1388 (32.9) | 3613 (53.2) | 6470 (37.7) | |
| Patent ductus arteriosus | 703 (26.2) | 1142 (33.0) | 1058 (25.1) | 1192 (17.6) | 4095 (23.9) | |
| Pulmonary stenosis | 128 (4.8) | 144 (4.2) | 212 (5.0) | 294 (4.3) | 778 (4.5) | |
| Invasive intervention during 1977–2018, n (%) | 491 (18.3) | 490 (14.2) | 558 (13.2) | 1455 (21.4) | 2994 (17.5) | |
| Genetic syndrome, n (%) | 37 (1.4) | 71 (2.1) | 160 (3.8) | 155 (2.2) | 423 (2.5) |
| . | . | 1977–1986 . | 1987–1996 . | 1997–2006 . | 2007–2018 . | Total . |
|---|---|---|---|---|---|---|
| Patients, n | 2687 | 3462 | 4218 | 6790 | 17 157 | |
| Median age of diagnosis, years (IQR) | 7 (0–21) | 0 (0–7) | 0 (0–10) | 1 (0–40) | 1 (0–23) | |
| Sex, male, n (%) | 1318 (49.0) | 1640 (47.4) | 1938 (45.9) | 3348 (49.3) | 8242 (48.0) | |
| Simple CHD diagnosis, n (%) | Ventricular septal defect | 1180 (43.9) | 1383 (39.9) | 1560 (37.0) | 1691 (24.9) | 5814 (33.9) |
| Atrial septal defect | 676 (25.2) | 793 (22.9) | 1388 (32.9) | 3613 (53.2) | 6470 (37.7) | |
| Patent ductus arteriosus | 703 (26.2) | 1142 (33.0) | 1058 (25.1) | 1192 (17.6) | 4095 (23.9) | |
| Pulmonary stenosis | 128 (4.8) | 144 (4.2) | 212 (5.0) | 294 (4.3) | 778 (4.5) | |
| Invasive intervention during 1977–2018, n (%) | 491 (18.3) | 490 (14.2) | 558 (13.2) | 1455 (21.4) | 2994 (17.5) | |
| Genetic syndrome, n (%) | 37 (1.4) | 71 (2.1) | 160 (3.8) | 155 (2.2) | 423 (2.5) |
IQR, interquartile range, using the 25th and 75th quartiles.
Baseline characteristics of the study population, stratified by calendar-year groups at time of diagnosis
| . | . | 1977–1986 . | 1987–1996 . | 1997–2006 . | 2007–2018 . | Total . |
|---|---|---|---|---|---|---|
| Patients, n | 2687 | 3462 | 4218 | 6790 | 17 157 | |
| Median age of diagnosis, years (IQR) | 7 (0–21) | 0 (0–7) | 0 (0–10) | 1 (0–40) | 1 (0–23) | |
| Sex, male, n (%) | 1318 (49.0) | 1640 (47.4) | 1938 (45.9) | 3348 (49.3) | 8242 (48.0) | |
| Simple CHD diagnosis, n (%) | Ventricular septal defect | 1180 (43.9) | 1383 (39.9) | 1560 (37.0) | 1691 (24.9) | 5814 (33.9) |
| Atrial septal defect | 676 (25.2) | 793 (22.9) | 1388 (32.9) | 3613 (53.2) | 6470 (37.7) | |
| Patent ductus arteriosus | 703 (26.2) | 1142 (33.0) | 1058 (25.1) | 1192 (17.6) | 4095 (23.9) | |
| Pulmonary stenosis | 128 (4.8) | 144 (4.2) | 212 (5.0) | 294 (4.3) | 778 (4.5) | |
| Invasive intervention during 1977–2018, n (%) | 491 (18.3) | 490 (14.2) | 558 (13.2) | 1455 (21.4) | 2994 (17.5) | |
| Genetic syndrome, n (%) | 37 (1.4) | 71 (2.1) | 160 (3.8) | 155 (2.2) | 423 (2.5) |
| . | . | 1977–1986 . | 1987–1996 . | 1997–2006 . | 2007–2018 . | Total . |
|---|---|---|---|---|---|---|
| Patients, n | 2687 | 3462 | 4218 | 6790 | 17 157 | |
| Median age of diagnosis, years (IQR) | 7 (0–21) | 0 (0–7) | 0 (0–10) | 1 (0–40) | 1 (0–23) | |
| Sex, male, n (%) | 1318 (49.0) | 1640 (47.4) | 1938 (45.9) | 3348 (49.3) | 8242 (48.0) | |
| Simple CHD diagnosis, n (%) | Ventricular septal defect | 1180 (43.9) | 1383 (39.9) | 1560 (37.0) | 1691 (24.9) | 5814 (33.9) |
| Atrial septal defect | 676 (25.2) | 793 (22.9) | 1388 (32.9) | 3613 (53.2) | 6470 (37.7) | |
| Patent ductus arteriosus | 703 (26.2) | 1142 (33.0) | 1058 (25.1) | 1192 (17.6) | 4095 (23.9) | |
| Pulmonary stenosis | 128 (4.8) | 144 (4.2) | 212 (5.0) | 294 (4.3) | 778 (4.5) | |
| Invasive intervention during 1977–2018, n (%) | 491 (18.3) | 490 (14.2) | 558 (13.2) | 1455 (21.4) | 2994 (17.5) | |
| Genetic syndrome, n (%) | 37 (1.4) | 71 (2.1) | 160 (3.8) | 155 (2.2) | 423 (2.5) |
IQR, interquartile range, using the 25th and 75th quartiles.
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