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. 2014 Jun 30;15:258. doi: 10.1186/1745-6215-15-258

Table 1.

Immediate versus deferred cord clamping for preterm births: effects for infants

Outcome Number of trials Number of participants Risk ratio 95%confidence interval
Death
 13
 668
 0.63
 0.31 to 1.28
intraventricular haemorrhage
  
  
  
  
  any (grade 1 to 4))
 10
 539
 0.59
 0.41 to 0.85
  severe (grade 3 or 4)
 6
 305
 0.68
 0.23 to 1.96
periventricular leukomalacia
 2
 71
 1.02
 -0.52 to 5.56
temperature on SCBU admission (°C)a
 3
 143
 0.14a
 -0.03 to 0.31a
Transfusion
  
  
  
  
  for anaemia
 7
 392
 0.61
 0.46 to 0.81
  for hypotension
 4
 130
 0.52
 0.24 to 1.11
number of transfusionsa
 5
 210
 -1.26a
 -1.87 to −0.64a
mean arterial pressurea
  
  
  
  
  at birth
 2
 97
 3.52a
 0.60 to 6.45a
  at 4 hours
 2
 111
 2.49a
 0.26 to 4.72a
inotropes for low blood pressure
 4
 158
 0.42
 0.23 to 0.77
necrotising enterocolitis
 5
 241
 0.62
 0.43 to 0.90
serum bilirubin peaka
 7
 320
 15.01a
 5.62 to 24.40a
jaundice requiring phototherapy
 3
 180
 1.21
 0.94 to 1.55
oxygen supplementation at 36 weeks 5 209 0.69 0.42 to 1.13

amean difference.

SCBU, special care baby unit.