Table 4

Changes in illness severity and outcomes over time in infants <1000 g

Infants <1000 g

Cohort 1 1993–1996, n = 165

Cohort 2 1996–1999, n = 199

Cohort 3 1999–2002, n = 246


T4 (μg/dl)

5.4 ± 2.9

5.3 ± 3.1

4.7 ± 3.3 *

SNAP

NA

15.3 ± 7.4

18.3 ± 8.9 †

Death

30%

27%

33%

Severe IVH

16%

14%

23% †

Death/Severe IVH

35%

36%

46% * †


*p < .05, Cohort 1v 3

‡p < .05, Cohort 1 vs 2

†p < .05, Cohort 2 vs 3

Paul et al. BMC Pediatrics 2006 6:2   doi:10.1186/1471-2431-6-2

Open Data