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Peak expiratory flow among healthy children aged 5–14 years in China

   
@article{JTD19885,
	author = {Yanhong Lu and Jinping Zheng and Chuanhe Liu and Tao Ai and Ning Wang and Ning Meng and Shuo Li and Ronghua Luo and Xiaomei Ren and Wujun Jiang and Yi Gao and Chuangli Hao},
	title = {Peak expiratory flow among healthy children aged 5–14 years in China},
	journal = {Journal of Thoracic Disease},
	volume = {10},
	number = {3},
	year = {2018},
	keywords = {},
	abstract = {Background: Guidelines of the Global Initiative for Asthma recommend the use of peak expiratory flow (PEF) in the assessment and management of patients with asthma. However, normal PEF values for Chinese children have not been thoroughly investigated. 
Methods: This was a cross-sectional study of 3,169 healthy children aged 5–14 years from research centers in five cities of China: Guangzhou, Suzhou, Chengdu, Xi’an, and Beijing. We established pediatric reference values for PEF using a mini peak flow meter. PEF values recorded by the mini peak flow meter were compared with those obtained using a spirometer. 
Results: Height was the biometric variable with greatest correlation to PEF for both sexes. Significant differences were noted between males and females. The regression equation for boys was calculated as PEF =4.39× height (cm) −300.48 (R2 =0.76, P},
	issn = {2077-6624},	url = {https://jtd.amegroups.org/article/view/19885}
}