Resonant frequency(Fres),the total airway resistance(R_5),central airway resistance(R_(20)) and peripheral resistance(Rpc) increased significantly in patients with lung cancer compared with that of healthy adults.

• 肺癌患者共振频率(Fres)、外周阻力(Rpc)、脉冲频率在5Hz、20Hz时的气道粘性阻力(R5、R2O)明显增加,与健康对照组有显著差异。