Cases

All (n = 336)

Singletons (n = 266)

Twins (n = 70)

p-value

APGAR 1

8 (6.61 ± 2.63)

APGAR 5

9 (8.13 ± 2.37)

APGAR 10

9 (8.61 ± 2.37)

9 (8.73 ± 2.23)

9 (8.15 ± 2.87)

0.046

Umbilical cord pH value

7.20 (7.16 ± 0.15)

7.19 (7.15 ± 0.15)

7.25 (7.21 ± 0.12)

0.004

Controls

All (n = 336)

Singletons (n = 222)

Twins (n = 114)

p-value

APGAR 1

8 (8.06 ± 1.48)

9 (8.11 ± 1.58)

8 (8.00 ± 1.33)

0.004

APGAR 5

9 (9.05 ± 1.32)

10 (9.19 ± 1.34)

9 (8.83 ± 1.27)

<0.001

APGAR 10

10 (9.05 ± 1.24)

10 (9.46 ± 1.32)

9 (9.28 ± 1.09)

<0.001

Umbilical cord pH value

7.29 (7.27 ± 0.08)