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Table 1 Demographic data of the study subjects

From: Sleep and breathing in premature infants at 6 months post-natal age

  Preterm infants (n = 191) Full-term infants (n = 68) P value
Gender Male n = 99 (51.83%) n = 34 (50%)  
Female n = 92 (48.17%) n = 34 (50%)  
Birth body weight (g) 1646.66 ± 588.60 3169.69 ± 410.58 <0.001*
Birth body height (cm) 39.96 ± 5.11 49.61 ± 1.88 <0.001*
Head circumference (cm) 28.88 ± 3.33 34.25 ± 1.24 <0.001*
Gestational age (weeks) 31.52 ± 3.21 38.35 ± 1.43 <0.001*
  1. Birth body weight, Birth body height and Head circumference were all assessed at birth.