Cardiac dimensions (mm) at 7 days of age in relation to birth weight
| Birth weight (g) | n | IVS | LIDDd | LVPW | LIDDs | LA | AO |
|---|---|---|---|---|---|---|---|
| 500 to 1000 | 18 | 2.7 | 11.4 | 2.6 | 7.8 | 7.9 | 6.5 |
| 1.9 to 3.5 | 7.2 to 15.6 | 2.0 to 3.2 | 4.0 to 11.6 | 3.5 to 12.3 | 5.1 to 7.9 | ||
| 1000 to 1499 | 22 | 2.8 | 12.3 | 2.7 | 8.5 | 7.8 | 7.2 |
| 1.4 to 4.2 | 8.9 to 15.7 | 1.7 to 3.7 | 6.5 to 10.5 | 5.2 to 10.4 | 5.4 to 9.0 | ||
| 1500 to 1999 | 13 | 3.2 | 14.2 | 2.9 | 9.7 | 8.7 | 8.0 |
| 2.4 to 4.0 | 10.2 to 18.2 | 2.1 to 3.7 | 6.1 to 11.3 | 6.3 to 11.1 | 5.2 to 10.8 | ||
| 2000 to 2499 | 3 | 3.4 | 15.1 | 2.7 | 11.5 | 9.5 | 8.4 |
Values are mean and ±2SD.
AO, aortic root; IVS, interventricular septum; LA, left atrium; LIDDd (s), left interventricular diameter at end diastole (end systole); LVPWd, left ventricular posterior wall thickness at end diastole.