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Table 4 Adjusted ORs for preterm birth according to baseline data

From: Pregnancy complicated with hepatitis B virus infection and preterm birth: a retrospective cohort study

 

Unadjusted

Model A

Model B

Model C

OR (95% CI)

AOR (95% CI)

AOR (95% CI)

AOR (95% CI)

Preterm birth

Control group

1

1

1

1

HBV group

1.250(0.976–1.600)

1.124(0.857–1.475)

1.070(0.802–1.427)

1.031(0.771–1.378)

Early preterm birth

Control group

1

1

1

1

HBV group

2.024(1.262–3.248)

1.820(1.096–3.021)

1.770(1.048–2.991)

1.770(1.046–2.997)

  1. Model A: adjustment was made for age, pre-pregnancy BMI, prenatal BMI, gravida, parity and number of inspections
  2. Model B: adjustment was made for age, pre-pregnancy BMI, prenatal BMI, gravida, parity, number of inspections, previous preterm birth history, uterine malformation, abortion history and ICP
  3. Model C: adjustment was made for the variables used in Model B and for ALT, AST, TG, and LDH
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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