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Table 4 Relation between OSB and qualitative variables

From: Evaluation of sensitivity and accuracy of maternal serum alpha fetoprotein to the diagnosis of open spina bifida in comparison with sonographic findings of open spina bifida and Chiari II malformation in pregnant women

 

OSB

Negative

Positive

P-value

Maternal age

29.94 (± 5.259)

29 (± 6.272)

0.735

Fetal age

17.24 (± 2.43)

15.5 (± 3.109)

0.182

Gestational diabetes

   

Positive

1

0

0.77

Negative

50

4

 

Abortion

   

Positive

12

1

0.86

Negative

30

2

 

Acid folic use

   

Positive

32

1

0.000

Negative

1

2

 

Consanguineous marriage

   

Positive

1

0

0.748

Negative

29

3