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Table 1 Demographic characteristics of 187 preterm and term neonates.

From: Emergence of physiological rhythmicity in term and preterm neonates in a neonatal intensive care unit

Variables/Categories

n (%)

Gender (boys/Girls)

114 (61)/73 (39)

Gestational age (wks), median (range)

34 (23–42)

   < 28

17 (9.1)

   28–32

49 (26.2)

   33–36

58 (31)

   ≥37

63 (33.7)

Birth Weight (g), median (range)

1968 (454–4132)

   < 1000

27 (14.4)

   1000–1499

31 (16.6)

   1500–1999

38 (20.3)

   ≥2000

91 (48.7)

Apgar score 1 min/5 min, median (range)

8 (0–10)/9 (2–10)

Age at hospitalization (day), median (range)

0 (0–9)

Hospitalization (day), median (range)

32 (5–182)

Caesarian Section

96 (51.3)

Multiple gestation

4 (2.3)

Intubation

111(59.4)

Oxygenation

72 (38.5)

Birth asphyxia

27 (14.4)

Intrauterine growth retardation

23 (12.3)

Respiratory distress syndrome

31 (16.6)

Transient tachypnea of the newborn

38 (20.3)

  1. Data are expressed as mean ± SD or n (%).