...结合起来考虑的一种度量单位, 它是观察人群中全部个体暴露于研究因素的时间总和 时间单位常用年,故又称人年数(person-years) 资料的整理和分析 人时的计算:方法有三种 ①以个人为单位计算暴露人年(精确法):适用于样本 不大时 资料的整理和分析 ②以人...
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total person-years of survival 生存总人年数
person-years of observation 人年数观察
A person 14 years old 在某人14岁时
RESULTS: During 404 166 person-years of follow-up, 1081 subjects reported symptomatic gallstone disease, of whom 885 required cholecystectomy.
结果:在404 166 人的追踪期间, 1081个报告了具有征候的胆结石疾病, 885 必需作胆切除术。
It is widely accepted that smiling and regular exercise can take years off a person.
人们普遍认为微笑和定期运动可以使人显得年轻。
I am the first person who has spoken here for ten years.
我是这里十年来第一个说话的人。
It was nineteen thirty-three. Only six years earlier Charles Lindburgh became famous around the world as the first person to fly alone across the Atlantic Ocean.
VOA: special.2011.04.27
In 1988, when there was a boom in California, but of course not in Milwaukee, the average person in Los Angeles thought home prices would go up 10% a year for the next ten years --that's the median, I'm sorry.
988年加利福尼亚出现了繁荣,当然,在密尔沃基则没有出现,洛杉矶的人们普遍都认为房屋价格,会在未来十年内以每年10%的速度,上升,应该是中间价,不好意思
Each person was fifty-five years or older.
VOA: special.2010.03.09
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