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Table 5 Incidence of hyperbilirubinemia in neonates at six time points in groups with different times of cessation of cord pulsation after birth

From: Relationship between the natural cessation time of umbilical cord pulsation in full-term newborns delivered vaginally and maternal-neonatal outcomes: a prospective cohort study

Characteristic

≤60s

(n = 134)

61–89 s

(n = 106)

≥90s

(n = 105)

P

Time (after birth), (n, %)

    

24 hours

   

0.380

 Yes

4(3.0)

5(4.7)

7(6.7)

 

 No

130(97.0)

101(95.3)

98(93.3)

 

48 hours

   

0.150

 Yes

1(0.7)

0

3(2.9)

 

 No

133(99.3)

106(100.0)

102(97.1)

 

72 hours

   

0.320

 Yes

5(3.7)

1(0.9)

2(1.9)

 

 No

129(96.3)

105(99.1)

103(98.1)

 

5 days

   

0.390

 Yes

5(3.7)

5(4.7)

8(7.6)

 

 No

129(96.3)

101(95.3)

97(92.4)

 

10 days

   

0.020b

 Yes

1(0.7)

0

5(4.8)

 

 No

133(99.3)

106(100.0)

100(95.2)

 

42 days

   

> 0.990

 Yes

1(0.7)

1(0.9)

0

 

 No

133(99.3)

105(99.1)

105(100.0)

 
  1. bThe significance values were adjusted for multiple testing by Bonferroni correction and statistically significant differences were found between 61-89s  group and ≥ 90s group