Variables

Twins (n%)

N = 110

Singleton (n%) N = 55

OR 95% CI

p-value

Gestational age (weeks)

<37

47(42.7)

6 (11)

5.6 (2.2 - 14.3)

<0.001

>37

63(57.3)

49 (89)

0.2 (0.07 - 0.5)

<0.001

Mean (SD)

36.6 ± 2.6

38.4 ± 4.4

0.002

Apgar score at 1^st min (10)

<7

41 (37.3)

8 (14.5)

3.3 (1.4- 7.7)

0.005

7 - 10

69 (62.7)

47 (85.5)

0.3 (0.1 - 0.7)

0.005

Mean (SD)

7.8 ± 2

8.9 ± 1.2

0.001

Apgar score at 5^th min (10)

<7

25 (22.7)

1 (1.8)

15.3 (2 - 116.6)

<0.001

7 - 10

85 (77.3)

54 (98.2)

0.07 (0.009 - 0.5)

<0.001

Mean (SD)

8.6 ± 1.8

9.5 ± 0.7

0.001

Apgar score at 10^th min (10)

<7

14(12.7)

1 (1.8)

7.2 (1.1 - 57.3)

0.036

7 - 10

96 (87.3)

54 (98.2)

0.2 (0.02 - 0.9)

0.005

Mean (SD)

9.3 ± 1.6

9.9 ± 0.2

0.002

Birth weight (grams)

<2500

49 (44.5)

2 (3.8)

15.6 (3.6 - 67.8)

<0.001

2500 - 3500

57 (51.8)

33 (59.6)

0.7 (0.4 - 1.4)

0.363

>3500

4 (3.6)

20 (36.5)

0.7 (0.02 - 0.2)

<0.001

Mean (SD)

2515 ± 619.2

3419 ± 484.7

<0.001

Mode of delivery (N = 55)

CS

28 (50.9)

8 (14.5)

5.5 (2.2 - 13.9)

<0.001