Comparison between Greulich-Pyle and Girdany-Golden methods for estimating skeletal age of children in Pakistan.
نویسندگان
چکیده
OBJECTIVE To compare Greulich-Pyle (GP) and Girdany-Golden (GG) methods for estimation of Skeletal Age (SA) in children referred to a tertiary care hospital in Karachi, Pakistan. STUDY DESIGN Cross-sectional study. PLACE AND DURATION OF STUDY Department of Radiology, The Aga Khan University Hospital, Karachi, Pakistan, from July 2010 to June 2012. METHODOLOGY Children up to the age of 18 years, who had undergone X-ray for the evaluation of trauma were included. Each X-ray was interpreted using both methods by two consultant paediatric radiologists having at least 10 years experience, who were blinded to the actual Chronologic Age (CA) of children. RESULTS A total of 283 children were included. No significant difference was noted in mean SA estimated by GP method and mean CA for female children (p=0.695). However, a significant difference was noted between mean CA and mean SA by GG method for females (p=0.011). For males, there was a significant difference between mean CA and mean SA estimated by both GP and GG methods. A stronger correlation was found between CA and SA estimated by GP method (r=0.943 for girls, r=0.915 for boys) as compared to GG method (r=0.909 for girls, r=0.865 for boys) respectively. Bland- Altman analysis also revealed that the two methods cannot be used interchangeably. Excellent correlation was seen between the two readers for both GP and GG methods. CONCLUSION There was no additional benefit of using GP and GG methods simultaneously over using GP method alone. Moreover, although GP was reliable in estimating SA in girls, it was unable to accurately assess SA in boys. Therefore, it would be ideal to develop indigenous standards of bone age estimation based on a representative sample of healthy native children.
منابع مشابه
Comparison between Greulich-Pyle and Golden-Girdany methods for estimating skeletal age of children
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عنوان ژورنال:
- Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
دوره 24 12 شماره
صفحات -
تاریخ انتشار 2014