Patients (number = 127)

n (%)

Control (number = 118)

n (%)

P value

Sex

Male No (%)

Female No (%)

62 (48.8)

65 (51.2)

56 (47.5)

62 (52.5)

0.8a

Gestational age

Mean ± SD (min - max)

33.7 ± 4.1 (27 - 39)

35.3 ± 2.6 (28 - 39)

0.04b

Prematurity (<37 wk)

N (%)

77 (60.6%)

51 (43.2)

0.006c

Clinical diagnosis

Jaundice

7

40

Respiratory distress

46

27

Perinatal infection

33

0

Seizures

12

0

Perinatal asphyxia

10

0

Apnea of prematurity

10

20

Prematurity (for establishment of oral feeding)

9

31