Group I

(≤12 ms)

group II

(13 ms - 23 ms)

Group III

(≥24 ms)

Chi square test

No

%

No

%

No

%

X²

P value

History of Incubation by

respiratory distress

18

51.4%

12

35.3%

12

33.3%

2.885

0.236

Head Trauma

1

2.9%

0

0.0%

1

2.8%

0.977

0.614

CNS Infection

1

2.9%

1

2.9%

1

2.8%

0.002

0.999

PROM and

obstructed labor

5

14.3%

2

5.9%

1

2.8%

3.555

0.169

Incubated by

neonatal jaundice

2

5.7%

4

11.8%

6

16.7%

2.109

0.348

Prematurity incubated by IUGR

2

5.7%

5

14.7%

2

5.6%

2.415

0.299