Impact of GLI-2012 Spirometric References and Lower Limit of Normal on Prevalence of COPD in Older Urban Thai Persons.

Wanchai Dejsomritrutai,Benjamas Chuaychoo

Journal of the Medical Association of Thailand = Chotmaihet thangphaet（2016）

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摘要

Prevalence of COPD in older urban Thai persons was lower when LMS-LLN was substituted for fixed ratio (70%) of FEV1/FVC. Agreement in COPD diagnosis between both criteria was high, but a substantial proportion of subjects may be over-diagnosed

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