总阻抗
Results The value of IOS parameters between normal and asthmatic children was significantly different. The sensitivity and specificity were all 0.68 when total respiratory impedance ( Zrs)≥ 115% normal predicted was adopted as abnormality.
结果哮喘患儿IOS参数与正常儿童显著不同,以呼吸总阻抗(Zrs)≥115%正常预计值作为肺功能异常时,其对哮喘诊断的敏感度和特异度均为0.68;
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