Walker's traits for sex estimation in modern Croatian population using MSCT virtual cranial database: Validation and development of population-specific standards

IF 0.8 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING Forensic Imaging Pub Date : 2024-01-20 DOI:10.1016/j.fri.2024.200578
Tina Bareša , Ivan Jerković , Željana Bašić , Nika Jerković , Krešimir Dolić , Goran Dujić , Marija Ćavar Borić , Danijela Budimir Mršić , Elvira Krešić , Mislav Čavka , Ivana Kružić
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Abstract

The present study aimed to test the applicability of Walker`s method in the Croatian population by using multi-slice computed tomography (MSCT) scans of a head from the University hospitals (UHC) in Split and Zagreb. Cranial morphological traits (nuchal crest, mastoid process, supraorbital edge, and glabella) were scored from images of 280 adult patients with balanced distribution according to sex and geographical region. Differences between Split and Zagreb samples were visible through principal component analysis (PCA) with Split individuals being more robust, that also reflected in specific differences in trait expression like mastoid process (P = 0.001) and supraorbital edge (P = 0.003) in male samples. Original equations did not perform well in our population, with accuracy ranging from 62 % to 70 % with low accuracy in females (48 % - 56 %). We developed 15 population-specific equations that comprised all possible combinations with single or multiple variables. The best performing equation was the one that included glabella and mastoid process that showed the least interregional variabilities and achieved accuracy of 86.25 %. To enable a direct application of equations developed we provided on-line app called CroWalker, available at: https://crowalker-rvhw.onrender.com/.

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利用 MSCT 虚拟头颅数据库估测现代克罗地亚人口性别的沃克特征:验证和制定特定人口标准
本研究旨在使用斯普利特和萨格勒布大学医院(UHC)的多切片计算机断层扫描(MSCT)扫描头部,测试沃克方法在克罗地亚人口中的适用性。对 280 名成年患者的头颅形态特征(颈嵴、乳突、眶上缘和睑板)进行了评分,根据性别和地理区域进行了均衡分布。通过主成分分析(PCA)可以看出斯普利特和萨格勒布样本之间的差异,斯普利特的个体更强壮,这也反映在男性样本中乳突(P = 0.001)和眶上缘(P = 0.003)等特质表达的具体差异上。原始方程在我们的人群中表现不佳,准确率在 62 % 到 70 % 之间,女性准确率较低(48 % - 56 %)。我们开发了 15 个针对特定人群的方程,其中包括所有可能的单变量或多变量组合。其中表现最好的方程是包含唇盖和乳突的方程,该方程显示的区域间变异最小,准确率达到 86.25%。为了能够直接应用所开发的方程,我们提供了名为 CroWalker 的在线应用程序,网址为:https://crowalker-rvhw.onrender.com/。
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来源期刊
Forensic Imaging
Forensic Imaging RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
2.20
自引率
27.30%
发文量
39
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