Table 2 Resuscitation at Birth According to Gestational Age

Survival rate

317/919 (34.5)

230/785 (29.3)

87/134 (64.9)

<0.0001

22 weeks

34/196 (17.3)

27/182 (14.8)

7/14 (50.0)

0.0008

23 weeks

283/723 (39.1)

203/603 (33.7)

80/120 (66.7)

<0.0001

Resuscitation at birth

912/919 (99.2)

779/785 (99.2)

133/134 (99.3)

0.9086

22 weeks

195/196 (99.5)

181/182 (99.5)

14/14 (100.0)

0.781

23 weeks

717/723 (99.2)

598/603 (99.2)

119/120 (99.2)

0.8866

Oxygen

869/912 (95.3)

737/779 (94.6)

132/133 (99.3)

0.0196

22 weeks

189/195 (96.9)

175/181 (96.7)

14/14 (100.0)

0.489

23 weeks

680/717 (94.8)

562/598 (94.0)

118/119 (99.2)

0.0197

PPV

895/912 (98.1)

762/779 (97.8)

133/133 (100.0)

0.0855

22 weeks

188/195 (96.4)

174/181 (96.1)

14/14 (100.0)

0.4536

23 weeks

707/717 (98.6)

588/598 (98.3)

119/119 (100.0)

0.3827

Intubation

897/912 (98.4)

765/779 (98.2)

132/133 (99.3)

0.7101

22 weeks

190/195 (97.4)

176/181 (97.2)

14/14 (100.0)

0.5287

23 weeks

707/717 (98.6)

589/598 (98.5)

118/119 (99.2)

1

Chest compression

130/912 (14.3)

111/779 (14.3)

19/133 (14.3)

0.9911

22 weeks

30/195 (15.4)

30/181 (16.6)

0/14 (0.0)

0.0977

23 weeks

100/717 (14.0)

81/598 (13.6)

19/119 (16.0)

0.4863

Epinephrine

107/912 (11.7)

94/779 (12.1)

13/133 (9.8)

0.4477

22 weeks

25/195 (12.8)

25/181 (13.8)

0/14 (0.0)

0.1364

23 weeks

82/717 (11.4)

69/598 (11.5)

13/119 (10.9)

0.8476

Surfactant

908/919 (98.8)

775/785 (98.7)

133/134 (99.3)

0.6037

22 weeks

193/196 (98.5)

179/182 (98.4)

14/14 (100.0)

0.6283

23 weeks

715/723 (98.9)

596/603 (98.8)

119/120 (99.2)

0.7541

Surfactant at birth

619/801 (77.3)

511/678 (75.4)

108/123 (87.8)

0.0025

22 weeks

119/175 (68.0)

107/161 (66.5)

12/14 (85.7)

0.1385

23 weeks

500/626 (79.9)

404/517 (78.1)

96/109 (88.1)

0.0188