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Table 3 Numbers and percentages of participants with confidence intervals by level of intensity

From: Intensity of perinatal care, extreme prematurity and sensorimotor outcome at 2 years corrected age: evidence from the EPIPAGE-2 cohort study

  Perinatal intensity level
  Low Medium High
  n % (95%CI) n % (95%CI) n % (95%CI)
Foetal admissions 358 380 374
Live births 243 67.9 (62.7–72.6) 274 72.1 (67.3–76.5) 308 82.4 (78.0–86.0)
Admitted to NICU 171 47.8 (42.5–53.1) 225 59.2 (54.1–64.2) 276 73.8 (69.0–78.1)
Alive at 2 years 126 35.2 (30.3–40.4) 140 36.8 (32.0–41.9) 207 55.3 (50.1–60.4)
CP (n responding) 108 115 171
CP/sensory deficiency 7 6.5 (2.9–13.4) 8 7.0 (3.3–13.7) 10 5.8 (3.0–10.8)
Imputed population* 126 140 207
CP/sensory deficiency* 6.9 (4.7–9.2) 7.8 (5.5–10.0) 7.3 (5.5–9.1)
  1. *Imputed percentages were averaged across the 60 imputed data sets using Rubin’s rule [25]