Table 2

Future risk of hospitalisation for heart failure or an atrial or ventricular dysrhythmia in association with a prior maternal placental syndrome (MPS)*

Outcome eventMPS* (n=75 242)No MPS (n=1 055 522)HR (95% CI)
Events, N (%)Incidence rate per 10 000 person-yearsEvents, N (%)Incidence rate per 10 000 person-yearsCrudeAdjusted
Primary composite
 Hospitalisation for an atrial or ventricular dysrhythmia or heart failure148 (0.20)2.541062 (0.10)1.282.00 (1.68 to 2.38)1.61 (1.35 to 1.91)
Individual
 Hospitalisation for heart failure80 (0.11)1.37488 (0.046)0.592.36 (1.86 to 3.00)1.80 (1.42 to 2.29)
 Hospitalisation for an atrial dysrhythmia51 (0.068)0.87415 (0.039)0.501.76 (1.32 to 2.36)1.48 (1.10 to 1.98)
 Hospitalisation for a ventricular dysrhythmia30 (0.040)0.51245 (0.023)0.301.76 (1.20 to 2.56)1.41 (0.96 to 2.07)
  • * Defined as gestational hypertension, pre-eclampsia, placental abruption and/or placental infarction.

  • Adjusted for maternal age, length of stay in the index delivery hospital, socioeconomic quintile, rural residence, multiple gestation, diabetes mellitus, obesity, dyslipidaemia, coronary artery disease, thyroid disease and drug dependence or tobacco use.