表皮脊汗孔密度:性别鉴定的法医方法

Jaisleen Kaur, Meenal Dhall
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引用次数: 0

摘要

从犯罪现场提取的不明指纹中确定性别有助于缩小潜在嫌疑人的范围。本研究旨在利用印度人指纹表皮脊汗孔密度来确定性别。为此,研究人员随机选取了 396 名年龄在 18 至 35 岁之间的参与者(191 名男性和 205 名女性)的左手和右手拇指采集指纹。在 3 × 3 平方毫米的区域内对汗孔进行计数。数据使用 SPSS(统计产品与服务解决方案)Windows 版本 26 和 Microsoft Office Excel 365 进行分析。根据汗孔数量计算似然比(LR),得出性别概率推断。分析表明,汗孔数≤ 45 个/9 平方毫米的指纹更有可能是男性指纹,而汗孔数≥ 49 个/9 平方毫米的指纹更有可能是女性指纹。此外,研究还发现,两种生物性别在毛孔数量上的差异具有统计学意义。本研究采用的方法有助于在所有样本中划定一个统一的区域,从而消除因图案类型和凹脊而产生的差异。
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Epidermal ridge sweat pore density: A forensic approach to sex determination

Determining the sex from an unidentified fingerprint recovered from a crime scene can assist in narrowing down the pool of potential suspects. The present study was conducted with the aim of determining sex using fingerprint epidermal ridge sweat pore density among the Indian population. For this purpose, plain prints from both the left and right thumbs were obtained from a total of 396 participants (191 males and 205 females), aged between 18 and 35 years, who were randomly selected for the study. Sweat pores were counted in a region of 3 × 3 mm2. Data were analyzed using SPSS (Statistical Product and Service Solutions) version 26 for Windows and Microsoft Office Excel 365. The likelihood ratio (LR) was calculated to obtain the probability inferences of sex based on the number of sweat pores. Analysis revealed that a fingerprint containing ≤ 45 pores/9 mm2 is more likely to be of male origin while one containing ≥ 49 pores/9 mm2 is more likely to be of female origin. Moreover, the difference in the number of pores was found to be statistically significant between the two biological sexes. The methodology employed in this study helps demarcate a uniform region in all the samples thereby eliminating variability due to pattern type and recurving ridges.

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来源期刊
Forensic Science International: Reports
Forensic Science International: Reports Medicine-Pathology and Forensic Medicine
CiteScore
2.40
自引率
0.00%
发文量
47
审稿时长
57 days
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