Methods One hundred eleven patientswith mild to moderate EH were randomly divided into 2 groups: nitrendiping withatenolol group (group A, n=51) and metformin with nitrendipine and atenolol group(group B, n=60). Treatment period lasted for 14 months.

• 方法 111例轻中度高血压病人,随机分为2组,分别用尼群地平和阿替洛尔联合治疗(A组, n=51)和二甲双胍联合尼群地平和阿替洛尔治疗(B组, n=60),疗程14个月。