Comparison of median transcutaneous carbon dioxide partial pressures (PtcCO2) according to asthma definition during the course of bronchial challenge testing with methacholine.
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Data is expressed as median (interquartile range). PtcCO2 = transcutaneous blood carbon dioxide partial pressures. PRE = PtcCO2 prior to methacholine bronchial challenge, 1MIN = PtcCO2 one minute after termination of methacholine bronchial challenge, 5MIN = PtcCO2 five minutes after termination of methacholine bronchial challenge. MCHPD20 = Fall in FEV1 ≥20% during bronchial challenge testing with methacholine.a = Not significant with p>0.1,b = Not significant with p
创建时间：
2015-12-02
