Characteristics | Crude ORa [95% CI] | Adjusted ORb [95% CI]c |
---|---|---|
1. Maternal comorbidities | ||
 Structural heart disease | 190.58 (159.81–227.27) | 67.21 (54.28–83.22) |
 Pulmonary disease | 114.24 (94.05–138.76) | 13.12 (10.28–16.75) |
 Liver disease | 32.99 (19.36–56.23) | 3.61 (1.85–7.05) |
 Renal disease | 119.85 (75.33–190.68) | 4.53 (2.28–8.99) |
 Thyroid disease | 35.16 (21.64–57.13) | 9.53 (5.27–17.23) |
 Anemia | 7.19 (5.68–9.10) | 2.99 (2.28–3.91) |
 Cancer | 3.89 (2.19–6.89) | 1.80 (0.97–3.35) |
 Autoimmune disease | 47.65 (28.43–79.86) | 2.33 (1.08–5.01) |
 Chronic hypertension | 146.58 (102.96–208.68) | 11.27 (6.94–18.28) |
 Diabetes mellitus | 20.03 (11.01–36.46) | 1.33 (0.54–3.26) |
2. Obstetric conditions | ||
 Multifetal pregnancies | 5.63 (4.05–7.84) | 2.13 (1.47–3.08) |
 Placenta anomaly | 1.79 (0.96–3.35) | 1.21 (0.51–2.88) |
 Gestational HTN | 17.40 (13.92–21.75) | 5.16 (3.89–6.85) |
 Gestational diabetes mellitus | 6.37 (4.12–9.87) | 1.02 (0.55–1.90) |
 Peripartum hemorrhage | 1.98 (1.31–2.98) | 0.98 (0.54–1.76) |