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22 February 2021: Clinical Research

Fractional Exhaled Nitric Oxide (FeNO) Integrating Airway Hyperresponsiveness (AHR) Examination Promotes Etiologic Diagnosis and Treatment for Children with Chronic Cough

Haiyan Zhu 1BCDEF , Chuangli Hao 2BCDE , Xingmei Yu 2BCDF , Rongrong Zhang 1BCD , Wendi Zhou 1BCF , Xingzhen Sun 1BCF , Yufang Yuan 1BCF , Zhaofang Tian 1ABDEG*

DOI: 10.12659/MSM.928502

Med Sci Monit 2021; 27:e928502

Table 2 Comparative analysis of pulmonary function indexes in children with chronic cough for the different etiologies (χ±s).

ParametersCVA group (n=45)UACS group (n=53)PIC group (n=20)FP
FEV1% pred93±1499±1094±101.9180.136
CVA – cough-variant asthma; UACS – upper-airway cough syndrome; PIC – post-infection cough; FEV1 – forced expiratory volume in 1 s; FVC – forced vital capacity; FEF25, 50, 75 – 25%, 50%, 75% forced expiratory flow.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750