The purpose of the research is to evaluate the effectiveness of high potassium diet and low sodium diet in reducing blood pressure for patients with hypertension. It is a quasi-experimental research with two group pre - post design, the research is conducted in health center of Sokaraja II, Banyumas. A simple random sampling is applied. We divide 28 subjects into 2 categories: 14 subject apply topotasium diet and 14 subject apply sodium diet. The intervension of high potasium diet is by giving the subject 2 Ambon bananas each day for a week. While the low natrium diet is done by giving a tea spoon of salt eaeh day for a week. The results shows that there was no difference between systolic and diastolic blood pressure before and after administration of a high potassium diet, which is the systolic (p value = 0.13) and diastolic (p value = 0.24), low-sodium diet cannot reduce blood pressure significantly (p value = 0.12). However, the diastolic blood pressure is significantly different (p value = 0.001). So, Low sodium diet is more effective in reducing blood pressure in hypertensive patients, especially in diastolic blood pressure compared to a high potassium diet.
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