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  • Title: [Comparative analysis of PD25-V50 and PD20-FEV1 as a judgement of bronchial provocation test].
    Author: Yao WZ, Zhoa MW, Han RX.
    Journal: Zhonghua Jie He He Hu Xi Za Zhi; 1994 Aug; 17(4):220-2, 254. PubMed ID: 7834784.
    Abstract:
    PD25-V50 as a judgement of bronchial provocation test was compared with PD20-FEV1. Both PD25-V50 and PD20-FEV1 showed linear correlation, but PD25-V50 was more sensitive than PD20-FEV1 for the diagnosis of bronchial asthma, and had higher specificity and sensitivity, and lower false-negative and false-positiverate. Moreover PD25-V50 provided the advantages of shorter period of histamine provocation and lower dose of inhaled histamine, so that avoided the side effects of higher dose of histamine.
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