Variable

n = 110

Delayed

(n = 62)

Crude Odds Ratios

Adjusted Odds Ratios

95%CI

P-value

Sex

Male

48

32 (66.7)

2.13

3.23

1.24 - 8.44

0.017*

Female

62

30 (48.4)

1

1

Gestational age (weeks)

<32

19

14 (73.7)

2.51

33.35

1.39 - 799.87

0.031*

≥32

91

48 (52.7)

1

1

Birth weight (g)

<1500

24

17 (70.8)

2.21

1.13

0.12 - 10.54

0.912

1500 - 2499

86

45 (52.3)

1

1

Apgar score at 1 or 5 minutes

<7

24

14 (58.3)

1.11

0.39

0.09 - 1.74

0.218

7 - 10

86

48 (55.8)

1

1

Maternal age (years)

<20 or >35

40

28 (70.0)

2.47

3.36

1.19 - 9.46

0.022*

20 - 35

70

34 (48.6)

1

1

Maternal complications

Gestational diabetes

11

8 (72.7)

2.38

3.20

0.59 - 17.47

0.179

Preeclampsia

12

8 (66.7)

1.78

2.23

0.49 - 10.26

0.302

No complication

87

46 (52.9)

1

1

Twins

Yes

36

20 (55.6)

0.95

1.40

0.51 - 3.88

0.516

No

74

42 (56.8)

1

1

Length of stay

1 - 7 days

44

21 (47.7)

1

1

7 days - 1 month

42

24 (57.1)

1.46

0.52

0.13 - 1.99

0.338

>1 month

24

17 (70.8)

2.66

0.07

0.01 - 1.97

0.116

Intubation

Yes

31

22 (71.0)

2.83

2.53

0.43 - 14.99

0.306

No

79

40 (50.6)

1

1

Hypoglycemia

Yes

26

19 (73.1)

2.59

3.81

1.13 - 12.85

0.031*

No

84

43 (51.2)

1

1

Phototherapy

Yes

69

45 (65.2)

2.65

2.95

0.80 - 10.94

0.105

No

41

17 (41.5)

1

1