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Table 3 Demographics of ITU study

From: Betamethasone administration during pregnancy is associated with placental epigenetic changes with implications for inflammation

Phenotype ITU study (n = 494) BET study (n = 136) p value
Mean age of pregnant person in years (SD) 34.62 (4.82) 29.16 (5.80) < 0.01
BET exposure 12 (2.43%) 52 (38.24%) < 0.01
Smoking during pregnancy (% yes) 12 (2.43%) 32 (23.53%) < 0.01
Mean BMI before pregnancy (SD) 23.82 (4.14) 23.41 (3.68) 0.50
Mean gestational age in weeks (SD) 40.01 (1.61) 38.16 (1.96) < 0.01
Premature birth (before week 37) 18 (3.64%) 34 (25%) < 0.01
Birth weight in grams 3533.82 (503.17) 3148.79 (480.09)  < 0.01
Sex (% male) 252 (51.01%) 70 (51.47%) 1.00
  1. SD standard deviation
  2. p value: nominal p value from Chi-square test (categorical variables) or t test (quantitative variables) comparing the initial BET study to the ITU study. Nominally significant p values are depicted in bold