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. Author manuscript; available in PMC: 2021 Jan 3.
Published in final edited form as: Pregnancy Hypertens. 2020 Jan 3;19:112–118. doi: 10.1016/j.preghy.2020.01.001

Figure 2. Groups identified by each criterion in study case definition for hypertension.

Figure 2.

High BP criterion: 2 or more BP ≥ 140/90 within 30 days from the start of pregnancy through 35 weeks 6 days; Treated chronic Hypertension criterion: 1 antihypertensive medication fill within 120 days prior to pregnancy and 1 hypertension diagnosis code from 1 year prior to pregnancy through 20 weeks gestation; Rapid Treatment criterion: 1 high BP (≥ 140/90) from the start of pregnancy through 35 weeks 6 days accompanied by 1 diagnosis code and 1 antihypertensive medication fill all within 7 days.