Table 1 Patient´s characteristics.

From: Fat-free mass is associated with neurodevelopment outcomes in extremely preterm infants up to 3 years of age

Patient group

n = 105

Antenatal steroids for lung maturation

83 (79.0)

Infection-related delivery

61 (58.1)

PPROM

46 (43.8)

Cesarean section

90 (85.7)

Small for gestational age

9 (8.6)

Sex, Female

43 (41.0)

Umbilical artery pH, (median, IQR)

7.34 (7.29, 7.36)

Apgar Score, 5 min (median, IQR)

9 (8, 9)

Apgar Score, 10 min (median, IQR)

9 (9, 9)

SNAP-II Score, median (IQR)

9 (0, 9)

Anthropometry at birth

 Gestational age, week (median, IQR)

26.1 (24.5, 27.0)

 Weight, gram (median, IQR)

770 (648, 915)

 Weight, Z-Score (mean, 95%, CI)

0.1 (−0.6, 0.5)

 Length, cm (median, IQR)

33.0 (31.0, 35.0)

 Length, Z-Score (mean, 95%, CI)

0.0 (−0.6, 0.6)

 HC, cm (median, IQR)

23.5 (22.0, 25.0)

 HC, Z-Score (mean, 95%, CI)

0.0 (−0.5, 0.7)

Anthropometry at discharge

 Postmenstrual age, week (median, IQR)

38.0 (37.4, 39.4)

 Weight, gram (median, IQR)

2960 (2530, 3570)

 Weight, Z-Score (mean, 95%, CI)

−0.9 (−1.5, −0.5)

 Length, gram (media, IQR)

48.0 (47.0, 52.0)

 Length, Z-Score (mean, 95%, CI)

−0.7 (−1.5, 0.0)

 HC, gram (median, IQR)

33 (31, 35)

 HC, Z-Score (mean, 95%, CI)

−0.7 (−1.3, −0.3)

Neonatal morbidities

 NEC grade ≥III

5 (4.8)

 ROP grade >II

2 (1.9)

 Culture proven septicemia

18 (17.1)

 Bronchopulmonary dysplasia

4 (3.8)

 Total days on any parenteral nutrition, (median, IQR)

22 (16, 36)

 Exclusively human milk diet

72 (69)

 Standard term formula

28 (27)

 Post-discharge formula

5 (4.8)

  1. Data presented in median and IQR (interquartile range), mean and 95% confidence intervals, numbers, and percentages.
  2. PPROM Preterm premature rupture of the membrane, HC Head circumference, NEC Necrotizing enterocolitis, ROP Retinopathy of prematurity, IVH Intraventricular hemorrhages, PVL Periventricular leukomalacia.