Table 1 Characteristics of preterm and very low birth weight (VLBW) infants in the study cohort
From: Actuarial survival of a large Canadian cohort of preterm infants
|  | Preterm (≤30 weeks) | VLBW (<1500 g) |
|---|---|---|
| Â | n = 3119 | n = 3409 |
Males (%) | 56 | 53 |
Multiple births (%) | 27 | 29 |
Cesarean section (%) | 46 | 51 |
Antenatal steroids (%) | 72 | 70 |
Outborn (%) | 22 | 21 |
Small for gestational age 3 rd percentile (%) | 14.7 | 26.1 |
Mean birth weight (grams) | 1071 | 1041 |
Mean gestational age (weeks) | 27 | 28 |