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Table 1 Characteristics of neonates receiving CPAP or mechanical ventilation, NSW 2001-2008

From: Trends in use of neonatal CPAP: a population-based study

Infant and hospital characteristics CPAP alone Mechanical ventilation* No ventilation or CPAP
  N = 6188 N = 8229 N = 682,399
  n (%) n (%) n (%)
Male 3625 (58.6) 4908 (59.6) 350346 (51.3)
Female 2563 (41.4) 3321 (40.4) 332053 (48.7)
Singleton 4870 (78.7) 6846 (83.2) 663798 (97.3)
Multiple 1318 (21.3) 1383 (16.8) 18601 (2.7)
Gestational age       
24-26 80 (1.3) 1008 (12.3) 207 (0.03)
27-29 559 (9.0) 1506 (18.3) 276 (0.04)
30-32 1734 (28.0) 1355 (16.5) 2337 (0.3)
33-34 1115 (18.0) 803 (9.8) 7598 (1.1)
35-36 800 (12.9) 682 (8.3) 26332 (3.9)
37-38 681 (11.0) 995 (12.1) 151713 (22.2)
39-40 803 (13.0) 1282 (15.6) 371034 (54.4)
41-42 413 (6.7) 597 (7.3) 122056 (17.9)
> 42 3 (0.05) 1 (0.01) 846 (0.12)
Size at birth       
< 10th centile 636 (10.3) 1127 (13.7) 64996 (9.5)
10th-90th centile 4865 (78.6) 6241 (75.8) 545275 (79.9)
> 90th centile 687 (11.1) 861 (10.5) 72128 (10.6)
Apgar at 1 minute       
< 4 626 (10.2) 2450 (30.1) 10011 (1.5)
≥4 5538 (89.8) 5701 (69.9) 670734 (98.5)
Apgar at 5 minutes       
< 7 529 (8.6) 2375 (29.1) 6355 (0.9)
≥7 5634 (91.4) 5783 (70.9) 674538 (99.1)
  1. * with or without CPAP