Characteristics of infants with congenital heart disease
| Variable | Corrective surgery (n=74) | Palliative surgery (n=16) | Controls (n=20) |
|---|---|---|---|
| Data are numbers (percentages) for categorical, or median (range) for numerical variables. | |||
| *Data available from 14 children. | |||
| †Corrective v palliative surgery; p=0.016. | |||
| ‡Corrective v palliative surgery; p=0.050. | |||
| §Corrective v palliative surgery; p=0.001. | |||
| ¶Corrective v palliative surgery; p=0.053. | |||
| **Corrective v palliative surgery; p=0.003. | |||
| Preoperative characteristics | |||
| Birth data | |||
| Body weight <3rd centile | – | 1 (6%) | – |
| Body length <3rd centile | 1(1%) | – | – |
| Head circumference <3rd centile | – | 1 (7%)* | – |
| Gestational age (weeks) | 40 (32 to 42) | 40 (35 to 40) | 40 (35 to 41) |
| Apgar score at 5 minutes | 10 (7 to 10) | 9 (7 to 10) | 10 (8 to 10) |
| Age at first surgery (months) | 3 (0 to 11) | 3 (0 to 10) | – |
| Heart defect | |||
| Cyanotic | 34 (46%) | 16 (100%) | – |
| Oxygen saturation before surgery (%) | 96 (33 to 99) | 77 (40 to 95) | – |
| Oxygen saturation at time of neurodevelopmental testing (%) | 99 (98 to 100) | 85 (78 to 93) | – |
| Surgical data | |||
| CPB | 62 (84%) | 13 (81%) | – |
| Circulatory arrest | 2 (3%) | – | – |
| Lowest rectal temperature (°C) | 30 (15 to 36) | 36 (30 to 36.5) | – |
| Repeated cardiac surgery† | 8 (11%) | 6 (38%) | – |
| Perioperative data | |||
| Length of stay on intensive care unit (days)‡ | 4 (1 to 22) | 6 (2 to 52) | – |
| Duration of hospital stay (days)§ | 22 (7 to 166) | 62 (19 to 315) | 0 (0 to 3) |
| Sociodemographic factors | |||
| Maternal age at birth (years) | 30 (26 to 33) | 28 (17 to 43) | 30 (20 to 39) |
| Maternal education | |||
| Completed high school or more | 66 (89%) | 14 (88%) | 19 (95%) |
| Marital status | |||
| Married or living with partner | 65 (88%) | 14 (88%) | 18 (90%) |
| Family income per year (euros) | |||
| <15 000 | 21 (28%) | 4 (25%) | 5 (25%) |
| 15 000 to 30 000 | 40 (54%) | 12 (75%) | 10 (50%) |
| >30 000 | 13 (18%) | – | 5 (25%) |
| Follow up data at 1 year | |||
| Age at examination (months) | 12.2 (10.8 to 14.4) | 12.1 (10 to 14.1) | 12.4 (10.6 to 14) |
| Body weight <3rd centile¶ | 15 (20%) | 7 (44%) | – |
| Body length <3rd centile | 8 (11%) | 3 (19%) | – |
| Head circumference <3rd centile** | 7 (10%) | 7 (44%) | – |