Methods: Seek interrelation between dust dose and morbidity level with the method of life table.

方法：应用寿命表法求得接尘剂量与发病水平的关系。

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Results: the morbidity level increased with dust dose increased and we obtained an equation of regression between them.

结果：发病水平随接尘剂量的增高而增高，求得了两者之间的回归方程。

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With the development of living level, the morbidity of the hyperlipidemia tends to be increasing. How to prevent and cure it has become a focus.

随着人们生活水平的不断提高，高脂血症的发病率呈明显上升趋势，业已成为临床研究的重要课题。

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What one would really like to know is: how do cause-specific mortality and morbidity differ according to BMI level, or, rather, with adiposity, for which BMI serves as a proxy?

FORBES: How Useful Is Body Mass Index In Predicting Long-Term Health?