ArticleAnatomical science international2025
Comparative morphometric analyses of the 2:4 finger ratio and nasal structure in young adults.
Article in Anatomical science international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The 2:4 finger ratio (2D:4D ratio) refers to the length ratio of the second to the fourth finger of the hand. Studies on the 2D:4D ratio have long established that this ratio tends to be lower in males than in females. Our study aims to investigate the correlation between the 2.4 finger ratio and nasal structure among young adults aged 18-25 through detailed morphometric analysis. The study was conducted on 205 students (Female:127, Male:78) aged between 18 and 25 years studying at Ankara Yıldırım Beyazıt University Faculty of Medicine. Morphometric measurements of the hand and nose were also measured and recorded by the same researcher. The volunteers were divided into eight groups for age and four groups for BMI. Statistical analysis was performed and p < 0.05 was considered significant. The evaluation revealed significant differences between sexes and the 2D:4D ratio. While no significant relationship was found between age and the 2D:4D ratio, correlations were present with some nasal parameters. A significant relationship was found between the BMI and the right hand 2D:4D ratio (p < 0.05). A positive correlation was observed between the BMI and certain nasal parameters. Furthermore, significant relationships were identified between the 2D:4D ratio and certain nasal parameters (p < 0.05). The data obtained from our study will contribute to the understanding of nasal development, sex determination in forensic medicine, and the diagnosis and treatment of pathologies related to the nose. Additionally, it will assist clinicians involved in planning any nasal operations in describing anatomical points related to this region.
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