Table 5 Binary logistic regression with backward elimination (Backward Likelihood Ratio), of factors associated with low Apgar score among thalassemic women.

From: Pregnancy outcomes in women affected by fetal alpha-thalassemia: a case control study

Factors

Apgar score < 7 at 1 min

Apgar score < 7 at 5 min

OR

95% CI

P

OR

95% CI

P

Fetus with α-thalassemia trait (vs normal)

0.98

0.34–2.81

0.970

0.26

0.03–2.59

0.250

Fetus with HbH disease (vs normal)

3.37

1.16–9.78

0.025

4.50

1.00*–20.23

0.050†

Gestational age

0.63

0.54–0.73

< 0.001

0.65

0.53–0.80

< 0.001

  1. *Lower limit of 95% confidence interval for odds ratio = 1.000024. †P = 0.049996.
Back to article page