Forty two normotensive subjects (20 in female control group, CGf, and 22 in male control group, CGm) were as controls.

• 正常血压者42例作对照,其中女性对照组(CGf)20例,男性对照组(CGm)22例。 所有受试者用Aspen电脑声像仪行超声心动图检查。