R5 can be increased by 1.85 times as a positive criterion in bronchial provocation test.
建议将R_5值上升1.85倍作为支气管激发试验的阳性判定标准；
Conclusions: the impulse oscillation bronchial provocation test in the diagnosis of asthma has a higher clinical value.
结论：脉冲振荡法在支气管激发试验诊断支气管哮喘中具有较高的临床应用价值。
Objective: To investigate the relationship between cough side-effect and false-positive rate in bronchial provocation test with histamine.
目的：探讨组胺激发试验过程中咳嗽不良反应与阳性率的关系。
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