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Table 1 Numbers and percentages with confidence intervals by level of intensity

From: Intensity of perinatal care for extremely preterm babies and outcomes at a higher gestational age: evidence from the EPIPAGE-2 cohort study

 Perinatal intensity level
 LowMediumHigh
 n%(95%CI)n%(95%CI)n%(95%CI)
Fetal admissions214(— reference —)249(— reference —)284(— reference —)
Live born20997.7(94.3 – 99.1)23996.0(92.5 – 97.9)27195.4(92.1 – 97.4)
Admitted to NICU20897.2(93.7 – 98.9)23694.8(91 – 97.1)26894.4(90.8 – 96.6)
Survived to 2 years17983.6(77.8 – 88.2)21084.3(79.1 – 88.5)24485.9(81.2 – 89.6)
CP (n responding)153(— reference —)175(— reference —)211(— reference —)
CP/sensory deficiency53.3(1.2 – 7.9)148.0(4.6 – 13.3)136.2(3.5 – 10.5)
ASQ (n responding)113(— reference —)127(— reference —)162(— reference —)
ASQ < threshold4438.9(30 – 48.6)6248.8(39.9 – 57.8)6942.6(34.9 – 50.6)
Imputed population179210244
CP/sensorydeficiency4.4(3.0 – 5.8)8.6(6.8 – 10.4)6.5(5.1 – 8.0)
ASQ<threshold47.5(44.0 – 50.9)54.1(50.9 – 57.3)47.1(44.1 – 50.1)
  1. Imputed percentages were averaged across the 60 imputed data sets using Rubin’s rule [21]
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