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Table 2 Resampling

From: The impact of high intensity care around birth on long-term neurodevelopmental outcomes

 

Specification 1

Specification 2

Specification 3

Specification 4

Empirical p-values (means and standard deviation)

0.491 (0.272)

0.498 (0.230)

0.510 (0.246)

0.52 (0.245)

Kolmogorov-Smirnov test p-value

0.641

0.273

0.401

0.179

  1. Specification 1 (17 variables) includes the following variables: number of pregnancies, number of births known, number of still births, number of abortions, number of miscarriages, number of premature children known, fertility treatments used, dummy if the child had presented with convulsions, sex of the child, dummy for in vitro fertilization
  2. Specification 2 (38 variables) includes additionally the following variables: preeclampsia, eclampsia, presence of chorioamnionitis, resuscitation at birth indicator, bleeding during the first trimester, bleeding during the second semester, bleeding during the third trimester, alcohol during pregnancy, tobacco during pregnancy, hypertension gestational diabetes, trauma during pregnancy, drugs during pregnancy, number of premature children known, CP family history, gestational hypertension, intrapartum asphyxia, neonatal encephalopathy, cooling, encephalopathy
  3. Specification 3 (50 variables) includes additionally the following variables: non-ambulatory CP status, presence of post-neonatal cause, type of delivery, number of gestation weeks, head circumference, birthweight, number of hospitalization days during pregnancy, Apgar score at 1 min, Apgar score at 5 min, Apgar score at 10 min, last recorded head circumference, age at the initial registration
  4. Specification 4 (56 variables) includes additionally the following variables: mother’s age at time of birth, dummy for single pregnancy, prescription drugs indicator, severe illness during pregnancy, gross motor function classification of CP severity, severity of encephalopathy, non-ambulatory CP status, presence of post-neonatal cause, type of delivery, number of gestation weeks, head circumference, birthweight, number of hospitalization days during pregnancy, Apgar score at 1 min, Apgar score at 5 min, Apgar score at 10 min, last recorded head circumference, age at the initial registration