Postprandial Hypotension in Clinical Geriatric Patients and Healthy Elderly: Prevalence Related to Patient Selection and Diagnostic Criteria
Test characteristics of “PPH-related symptoms” for the diagnosis PPH. PPH was defined as a fall in systolic blood pressure of 20 or 30 mmHg within 2 hours of the start of the meal, measured with a Portapres device, using all 2-minute samples. The sensitivity of PPH-related symptoms for a fall in blood pressure over 20 mmHg was , the specificity was , the positive predictive value was and the negative predictive value was 13/24 0.54. For a fall in blood pressure over 30 mmHg the sensitivity was , the specificity was , the positive predictive value and the negative predictive value .