The analysis of variation of Han male children and adolescent bone age of wrist-hand in Beijing and Guangzhou
10.3760/cma.j.issn.1005-1201.2013.12.002
- VernacularTitle:北京及广州地区汉族男性儿童青少年手腕骨骨龄的差异分析
- Author:
Xinmin LI
;
Jianyu CHEN
;
Xiaoguang CHENG
- Publication Type:Journal Article
- Keywords:
Age determination by skeleton;
Radiography;
Child;
Adolescent
- From:
Chinese Journal of Radiology
2013;47(12):1063-1065
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the difference of Han male children and adolescent bone age of wrist-hand in Beijing and Guangzhou.Methods Bone age (BA) of left hand-wrist was assessed using X-ray by two radiologists based on CHN atlas method in 993 healthy children and adolescents (age range:1.0-19.0 years).The radiologists were blinded to the chronological age (CA) of those children.The interobserver variations were analyzed for evaluating the reliability of CHN Atlas method.The difference between CA and BA were separately assessed,and were analyzed by t test.Results Close correlation was found between BA and CA (r =0.969,0.957,P ＜ 0.01) in both two regions.The bone age was advanced at 1.0-3.9,and 7.0-15.9 years in Beijing boys,and at 1.0-2.9,6.0-7.9 years in Guangzhou bpys.There was significant difference at 1.0-1.9,9.0-14.9 years between Beijing and Guangzhou.Conclusions The bone age of Han male children adolescent in Beijing and Guangzhou area has the characteristic of acceleration.There is significance difference at some years between Beijing and Guangzhou,and the results can provide potential value for the further study of BA and clinical medicine.
