Difference in Blood Pressure between Supine and Sitting Positions in Diabetic and Non-diabetic Subjects

Tiemin Wei, Ling-chun Lu, Xiao-li Ye, Shan Li, Lexin Wang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Aims: This study was designed to investigate whether there was any difference in blood pressure (BP) readings between sitting and supine positions in diabetic and non-diabetic subjects.Methods: BP in a sitting and supine position was measured in 356 patients with type 2 diabetes (study group), and in 356 age- and sex-matched non-diabetic subjects (control group).Results: The systolic and diastolic BP in the supine position was significantly higher than in the sitting position in both groups (P<0.001). The BP increment in the supine position was similar between the study and the control groups (P>0.05). Multivariate logistic regression analysis of the study group showed that age was an independent predictor for the systolic pressure increment (P=0.001), whereas body mass index was an independent predictor for the increment in diastolic BP (P=0.04). The levels of sitting BP were inversely correlated with the pressure increments in the supine position in the diabetic patients (P<0.001).Conclusion: In diabetic patients and non-diabetic subjects, BP in a supine position is higher than in the sitting position. In diabetic patients, age, body mass index and the levels of sitting BP seem to have significant impact on the pressure increment from a sitting to the supine position.
Original languageEnglish
Pages (from-to)123-127
Number of pages5
JournalMedical Science Monitor
Volume15
Issue number3
Publication statusPublished - 2009

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