Background— Cross-sectional studies demonstrated ethnic and gender differences in ambulatory blood pressure patterns, but little is known about the longitudinal deelopment of these differences.
Background— Cross-sectional studies demonstrated ethnic and gender differences in ambulatory blood pressure patterns, but little is known about the longitudinal deelopment of these differences.
背景：横向研究表明动态血压模式在人种和性别之间存在差异，但对这种差异的纵向发展却知之甚少。