生命质量指数(简称PQL)，也称人口质量指数，是从健康和文化两方面反映人口质量的综合指数。

The physical quality of life index is abbreviated as PQLI, and also called population performance figures. The life index reflects the quality of the people from two respects of health and culture.

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结果：生病前后平均每个患者生命质量指数的损失值为5（P<0 .0 1） ，即生命质量损失19%。

Results: The respiratory illness produced a mean of 5 points loss quality of life or 19% loss in every patient(P<0.01).

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