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Standardization of Weightage Assigned to Different Segments of the Hand X-ray for Assessment of Bone Age by the Greulich–Pyle Method

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dc.contributor.author Oza, Chirantap en_US
dc.contributor.author GOEL, PRANAY et al. en_US
dc.date.accessioned 2025-04-22T09:48:54Z
dc.date.available 2025-04-22T09:48:54Z
dc.date.issued 2024-04 en_US
dc.identifier.citation Indian Journal of Endocrinology and Metabolism, 28(2), 160-166. en_US
dc.identifier.issn 2230-9500 en_US
dc.identifier.uri https://doi.org/10.4103/ijem.ijem_237_23 en_US
dc.identifier.uri http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/9717
dc.description.abstract Introduction: Bone age (BA) assessment is important in evaluating disorders of growth and puberty; the Greulich and Pyle atlas method (GP) is most used. We aimed to determine the weightage to be attributed by raters to various segments of the hand x-ray, namely, distal end of radius-ulna (RU), carpals, and short bones for rating bone age using the GP atlas method. Methods: 692 deidentified x-rays from a previous study (PUNE-dataset) and 400 from the Radiological Society of North America (RSNA-dataset) were included in the study. Mean of BA assessed by experienced raters was termed reference rating. Linear regression was used to model reference age as function of age ratings of the three segments. The root-mean-square-error (RMSE) of segmental arithmetic mean and weighted mean with respect to reference rating were computed for both datasets. Results: Short bones were assigned the highest weightage. Carpals were assigned higher weightage in pre-pubertal PUNE participants as compared to RSNA, vice-versa in RU segment of post-pubertal participants. The RMSE of weighted mean ratings was significantly lower than for the arithmetic mean in the PUNE dataset. Conclusion: We thus determined weightage to be attributed by raters to segments of the hand x-ray for assessment of bone age by the GP method. en_US
dc.language.iso en en_US
dc.publisher Indian Journal of Endocrinology and Metabolism en_US
dc.subject Bone age en_US
dc.subject Greulich and Pyle en_US
dc.subject Segment en_US
dc.subject Weightage en_US
dc.subject 2024 en_US
dc.title Standardization of Weightage Assigned to Different Segments of the Hand X-ray for Assessment of Bone Age by the Greulich–Pyle Method en_US
dc.type Article en_US
dc.contributor.department Dept. of Biology en_US
dc.identifier.sourcetitle Indian Journal of Endocrinology and Metabolism en_US
dc.publication.originofpublisher Indian en_US


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