受试者中至少50%无冠心病病史，随访大于等于12个月的随机对照试验入选本次分析。

Randomized controlled trials with a study population with at least 50% of the subjects having no history of coronary heart disease and 12 or more months of follow-up were included.

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受试者中至少50%无冠心病病史，随访大于等于12个月的随机对照试验入选本次分析。

Randomized controlled trials with a study population with at least 50% of the subjects having no history of coronary heart disease and 12 or more months of follow-up were included.

youdao