Xu Yong-Cheng, Ye Long-Yu, Li Kai, Wang Zhen-Yuan, Ke Yong, Zhang Qin-Chu
Department of Forensic Medicine, Medical College, Xi'an Jiaotong University, Xi'an 710061, China.
Fa Yi Xue Za Zhi. 2006 Oct 15;22(5):328-9, 332.
To study the accurate of Li Guozhen's Percent Numeration and the Development Standard of Chinese Wrist Bone CHN Numeration of age estimation in 14-year-old females.
Fifty-one 14-year-old females from three middle schools in Loudi City in Hunan were selected randomly, whose left wrists were photographed with X-rays under the same condition. Skeletal age was estimated following the two numerations. The two skeletal ages were compared with each other and with chronological age.
The skeletal age from Percent Numeration and CHN Numeration have no significance difference, P > 0.05. And the skeletal ages of the two Numerations have no significance difference either, P > 0.05.
The Percent Numeration and the CHN Numeration are still suited for age estimation in 14-year-old females.
研究李国珍百分计数法和中国手腕骨发育标准CHN法对14岁女性年龄估计的准确性。
随机选取湖南省娄底市三所中学的51名14岁女性，在相同条件下对其左手腕进行X线摄影。按照两种计数法估算骨龄。将两种骨龄相互比较，并与实际年龄进行比较。
百分计数法和CHN法的骨龄差异无统计学意义，P>0.05。两种计数法的骨龄差异也无统计学意义，P>0.05。
百分计数法和CHN法仍适用于14岁女性的年龄估计。
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