No ACS exposure Group 1:
ACS < 34 weeks Group 1:
ACS < 34 weeks Group 1:
ACS < 34 weeks Group 2:
ACS ≥ 34 weeks Group 2:
ACS ≥ 34 weeks Group 2:
ACS ≥ 34 weeks Group 2a: ACS within 7 days of planned delivery Group 2a: ACS within 7 days of planned delivery Group 2a: ACS within 7 days of planned delivery
No ACS exposure n = 19772
ACS before 34 weeks n = 143
Odds Ratio (95% CI)
Adjusted Odds Ratio* (95% CI)
ACS after 34 weeks n = 187
Odds Ratio (95% CI)
Adjusted Odds Ratio* (95% CI)
ACS ≤ 7 days before delivery n = 106
Odds Ratio (95% CI)
Adjusted Odds Ratio* (95% CI)
Ventilation or CPAP
499 (2.52)
8 (5.59)
2.29 (1.12-4.70) 2.02 (0.97-4.21)
12 (6.40)
2.65 (1.47-4.78) 1.52 (0.81-2.85)
7 (6.60)
2.69 (1.24-5.82) 1.58 (0.70-3.61)
Hypoglycaemia
204 (1.03)
6 (4.20)
4.20 (1.83-9.62) 3.26 (1.38-7.73)
17 (9.10)
9.59 (5.72-16.09) 4.56 (2.47-8.42)
10 (9.43)
9.49 (4.88-18.45) 5.70 (2.49-13.03)