Table 2 Neonatal transcutaneous bilirubin levels and the rate of phototherapy

Cord clamping time (s)

–

60 (50, 70)

53.5 (45, 60)

76 (70, 86)

–

–

Transcutaneous bilirubin in day 0 of age (mg/dl) (< 6 mg/dl)

1.49 ± 0.90

1.70 ± 0.78 *

1.73 ± 0.80 *

1.66 ± 0.74

0.004

0.012

Transcutaneous bilirubin in day 1 of age (mg/dl) (< 6 mg/dl)

4.88 ± 1.50

4.78 ± 1.32

4.82 ± 1.37

4.72 ± 1.24

0.335

0.499

Transcutaneous bilirubin in day 2 of age (mg/dl) (< 9 mg/dl)

8.57 ± 1.89

8.53 ± 1.75

8.51 ± 1.78

8.57 ± 1.71

0.799

0.928

Transcutaneous bilirubin in day 3 of age (mg/dl) (< 12 mg/dl)

10.96 ± 2.19

10.96 ± 2.06

11.00 ± 2.08

10.91 ± 2.04

0.995

0.912

Transcutaneous bilirubin in day 4 of age (mg/dl) (< 15 mg/dl)

11.80 ± 2.17

11.74 ± 2.29

11.77 ± 2.33

11.70 ± 2 .23

0.700

0.876

Transcutaneous bilirubin in day 5 of age (mg/dl) (< 15 mg/dl)

11.73 ± 2.12

11.91 ± 2.58

11.96 ± 2.69

11.85 ± 2.44

0.357

0.606

neonates needing phototherapy (%)

86 (22.8)

91 (21.7)

54 (21.1)

37 (22.7)

0.711

0.867