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Table 2 Comparison of neonatal outcomes between the La Réunion OGP 2008–2013 cohort and the EPIPAGE-2 2011 cohort: bivariable analysis

From: Mortality and severe morbidity of very preterm infants: comparison of two French cohort studies

  OGP
(n = 1272)
EPIPAGE 2
(n = 3669)
P values
n % n %
Neonatal outcomes
 Death or severe morbiditya 415 32.6 1051 26.6 <  0.001
 Death 196 15.4 396 9.6 <  0.001
 Severe morbidity 219 21.4 655 19.6 0.214
 Bronchopulmonary dysplasia 166 13.3 410 11.2 0.055
 Necrotising enterocolitis 63 5.0 130 3.6 0.023
 Severe neurological injury 110 9.1 401 10.3 0.207
 Medical patent ductus arteriosus 129 10.3 726 19.4 <  0.001
 Surgical patent ductus arteriosus 76 6.1 200 4.9 0.119
 Retinopathy Yes 29 2.3 36 0.8 <  0.001
Missing data 926 72.8 983 27.2  
 Late onset sepsis 351 28.2 1308 37.3 <  0.001
  1. asevere morbidity = severe neurological injury, bronchopulmonary dysplasia or necrotising enterocolitis