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《Chinese Journal of Bone and Joint Injury》 2017-08
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A cross-sectional study of flexible flatfoot of school-aged children in Xi'an, China

LIANG Xiao-jun;ZHAO Hong-mou;ZHANG Yan;LI Yi;SHI Hai-hua;LIANG Jing-qi;HU Dong;ZENG Qiu;JI Wei-na;Foot and Ankle Surgery Department, Honghui Hospital, Xi'an Jiaotong University College of Medicine;  
Objective To investigate the flexible flatfoot(FFF) prevalence and related factors in school-aged Chinese children. Methods A total of 1,059 children aged from 6 to 13 years old were included. Dynamic footprints according to Foot Scan system were collected from both feet. The relationship of FFF with age, gender, side, body mass index(BMI) was investigated. Results The percentage of FFF decreased from 39.5% at 6 years to 11.8% at 12 years, and reached a platform at 12 to 13 years. Overweight(OR =1.35) and obese(OR =2.43) showed positive correlation with percentage of FFF children;but only obese(OR =3.25) showed positive correlation in small age group(6 to 9 years). No correlation was found between FFF prevalence and gender or side. Conclusion The prevalence of FFF decreases with age, and reaches a platform at 12 to 13 years. The prevalence of FFF is positively correlated with increased BMI.
【Key Words】: Pediatric flexible flatfoot Body mass index Epidemiological study
【Fund】: 陕西省科技厅社发公关项目(2014K11-05-02)
【CateGory Index】: R726.8
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