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BMI预测心血管死亡危险准确吗?

美国梅奥医院研究人员2006年8月19日在Lancet(2006, 368: 666)上报告,被广泛采用的体质指数(BMI)并非预测心血管病死亡危险的准确指标。研究者系统评价了40项定群研究(共纳入250152例病人,平均随访3.8年)后发现,超重(BMI 25~29.9 kg/m2)者心血管死亡危险最低,低BMI(<20 kg/m2)者危险高于肥胖(BMI 30~35 kg/m2)者。研究者认为,此结果可能源于用BMI不能区分体脂和肌肉含量。但也有专家指出,该研究随访时间平均不足4年,还需要长得多的随访研究以明确BMI与死亡危险之间的关系。

BMI预测心血管死亡危险准确吗?

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