TABLE 1. Characteristics of the Study Group
| Characteristics |
Premature Infants |
Term Newborns |
|
| N |
24 |
12 |
| Male/female |
9/15 |
8/4 |
| Mean birth weight (g; range) |
1386 (500–2000) |
3411 (2690–3870) |
| Mean gestational age (wk; range) |
30 (23–35) |
40 (38–42) |
| Mean weight at time of study (g; range) |
1910 (1310–2560) |
3490 (3360–4600) |
| Mean postnatal age (d; range) |
47 (6–113) |
20 (6–42) |
| Infants with CNS pathology* |
3 |
1 |
| Ventilated after birth |
15 |
0 |
| Apnea-bradycardia syndrome after birth |
14 |
0 |
Caffeine/theophylline |
0 |
0 |
| Hemoglobin (g/dL) |
10.6 (8–16.1) |
17.8 (11.8–20) |
|
CNS indicates central nervous system.
* One term infant with thrombosis of middle cerebral artery, 3 premature infants with intraventricular hemorrhage (I to IV°).
Mean duration of ventilation 3.1 days (range: 19 h–18 d).
At time of study.
