Table 2

Prevalence of congenital malformations according to the level of asthma exacerbation in the first trimester of pregnancy: severe (hospitalisation), moderate (ED visit and no hospitalisation) and reference group (neither ED visit nor hospitalisation)

Hospitalisation for asthma (n=110)ED visit and no hospitalisation for asthma (n=1413)No hospitalisation and no ED visit for asthma (n=35 064)
Any congenital malformation, n (%)21 (19.1)166 (11.7)4196 (12.0)
Major congenital malformation, n (%)13 (11.8)107 (7.6)2384 (6.8)
  • ED, emergency department.