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Table 1 Demographic and parental information of the study population

From: Impact of very preterm birth and post-discharge growth on cardiometabolic outcomes at school age: a retrospective cohort study

  VP/VLBW (n = 60) Term (n = 110) p-value
GA at birth (weeks) 28.4 (26.3–30.5) 39.6 (38.4–40.3) < 0.001
Birth weight (g) 935 (790–1220) 3240 (2970–3500) < 0.001
Birth weight z-score -0.2 (-1.3-0.3) -0.2 (-0.9-0.2) 0.388
SGA 15 (25.0) 9 (8.2) 0.005
Female 28 (46.7) 57 (51.8) 0.630
Cesarean section 41 (68.3) 35 (31.8) < 0.001
PMA at discharge (weeks) 37.9 (36.1–40.6) - -
Weight at discharge (g) 2300 (1960–2580) - -
Weight-for-age z-score at discharge -1.7 (-3.3–1.0) - -
Any breastmilk feeding > 6 months 24 (46.2) 67 (77) < 0.001
Paternal education college or above 48 (80.0) 87 (79.1) 1.000
Maternal education college or above 48 (80.0) 90 (81.8) 0.838
Paternal BMI (kg/m2) 24.8 (22.1–25.9) 24.4 (22.8–26.4) 0.573
Maternal BMI (kg/m2) 21.1 (19.1–22.6) 21.5 (19.7–24) 0.146
  1. Values are expressed as n (%) or median (interquartile range). The Wilcoxon rank sum test was used for the comparison of continuous variables, and Fisher’s exact test was used for categorical variables
  2. VP/VLBW very preterm/very low birthweight, GA gestational age, SGA small for gestational age, BMI body mass index, PMA postmenstrual age