Initial analysis revealed that the presence of any pathogen was associated with an increased risk for asthma exacerbation, at an odds ratio (or) of 2.77.
初步分析显示，任何病原体的出现均与增加哮喘恶化风险相关，让步比(OR)为2.77。
HRV infection is the most important risk factor for asthma exacerbation in these patients.
HRV感染是最主要的造成哮喘恶化的因素。
Background: Patients with chronic obstructive pulmonary disease (COPD) walk less than healthy older people and their self-reported activity predicts exacerbation risk.
背景：患有阻塞性肺疾病(COPD)的患者行走少于健康老人，并且他们自我感觉增加活动是危险的。
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