假想一代人消亡的过程比较缓慢,老年人口比例较大,人口总数寿命延长。Lx=Lo/2时的年龄称为寿命表中的中位年龄。
例如,澳大利亚患者的中位年龄是21岁。
The median age of confirmed cases in Australia is 21, for example.
这一障碍起病的中位年龄比其他焦虑障碍更晚。
The median age at onset is later than that for the other anxiety disorders.
共有1409名参与者,均为女性,中位年龄为45岁。
A total of 1409 participants were enrolled, all female, with a median age of 45.
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