Skip to main content

Table 2 Body measurements in early school-aged children

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
Age (years) 7.2 (6.8–7.5) 7.8 (6.0-7.9) 0.801
Weight (kg) 20.8 (19.5–24.8) 23.0 (19.9–26.9) 0.028
Weight-for-age z-score -0.8 (-1.3-0.1) 0.0 (-0.8-0.9) 0.001
Change in weight-for-age z-score 1.4 (0.2–2.8) 0.2 (-0.4-0.9) < 0.001
Height-for-age z-score -0.3 (-1.0-0.1) 0.2 (-0.2-0.9) < 0.001
BMI (kg/m2) 15.0 (13.9–15.9) 15.5 (14.6–16.9) 0.003
BMI-for-age z-score -0.5 (-1.5-0.2) -0.3 (-1-0.5) 0.072
Lean body mass (kg) 18.4 (16.9–20.2) 19.2 (17.1–21.2) 0.180
Lean mass index (kg/m2) 12.6 (12.0-13.1) 12.9 (12.3–13.4) 0.091
Fat mass (kg) 3.1 (2.1–4.1) 4.1 (2.8–5.8) 0.002
Fat mass index (kg/m2) 2.1 (1.6–2.9) 2.8 (1.9–3.9) 0.002
Waist circumference (cm) 51.6 (49.0-54.3) 53.8 (50.0–57.0) 0.013
Calorie intake (kcal/day) 1537 (1345.9-1709.4) 1441 (1299.4-1588.1) 0.114
Moderate or more activitya 120 (20–320) 180 (70–300) 0.140
Walking timea 120 (30–210) 120 (60–210) 0.403
  1. Values are expressed as the median (interquartile range)
  2. VP/VLBW very preterm/very low birthweight, BMI body mass index, BP blood pressure
  3. aValues are expressed as minutes/week. The Wilcoxon rank sum test was used