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Table 3 Risk of the development of HTN

From: Women with multiple gestations have an increased risk of development of hypertension in the future

  Incidence rate (per 1,000 person-years) Unadjusted HR (95% CI) Adjusted HRa (95% CI)
Singleton without preeclampsia 3.36 1 1
Singleton with preeclampsia 27.27 7.95 (7.45, 8.48) 6.87 (6.42, 7.35)
Multiple gestations without preeclampsia 5.02 1.49 (1.28, 1.73) 1.49 (1.28, 1.74)
Multiple gestations with preeclampsia 27.24 7.98 (6.23, 10.20) 7.37 (5.75, 9.45)
  1. aAdjusted for age, primiparity, preeclampsia, atrial fibrillation, BMI, BP, DM, high TC, abnormal LFT, regular exercise and smoking status