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Hypertension Prevention Trial: Interaction of Treatment with Various Baseline Characteristics on Changes in Blood Pressure, Urine Sodium and Potassium, and Body Weight

机译:高血压预防试验:治疗与各种基线特征的相互作用对血压,尿钠和钾的变化以及体重的影响

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The Hypertension Prevention Trial (HPT) was a randomized, controlled clinical trial of dietary treatments in persons with high normal diastolic blood pressure (DBP) at baseline (BL). Participants were randomly allocated to five treatment groups: no dietary counseling, reduced calorie intake, reduced sodium intake, reduced sodium and calorie intake, and reduced sodium intake with increased potassium intake. The primary outcome was change in DBP from BL to 36 months. The treatments were also assessed with respect to changes over time in systolic blood pressure (SBP), urine sodium (Na), urine potassium (K), and body weight. The main findings of the HPT are published elsewhere. Sodium and potassium treatments produced no significant reductions in DBP and SBP. Calorie treatment effects borderline statistically significant decreases in both SBP and DBP from BL to 36 months. The report gives the results of an investigation of possible interactions of treatment with a variety of baseline characteristics on changes over time in DBP, SBP, urine NA, urine K, and body weight. The data in the report indicate that, by and large, the treatment effects observed in the entire participant group of the HPT are consistent among a variety of subgroups (defined at BL) of participants.

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