Diss. Univ. Zürich, 2003. - Ref.: D. Hell.

Thesis (Ph. D.)--University of Wisconsin--Madison, 1969. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 283-289).

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O objetivo deste estudo foi identificar e comparar os tipos fundamentais das impressões digitais em indivíduos comprovadamente alcoolistas e não alcoolistas. A pesquisa avaliou 152 doentes alcoolistas internados para desintoxicação alcoólica no Hospital Dr. Adolfo Bezerra de Menezes - São José Rio Preto - São Paulo ( Brasil ), comparando-os com 144 indivíduos não alcoolistas, integrantes do Exército Brasileiro na ativa, que constituíram o grupo-controle. Todos os resultados foram submetidos à criteriosa análise estatística pelos testes adequados a este estudo. Os tipos fundamentais de maior frequência nos alcoolistas foram as presilhas internas, seguidas de presilhas externas, verticilos e arcos. No grupo-controle foram as presilhas internas, seguidas de verticilos, presilhas externas e arcos. Constatou-se uma predominância das presilhas internas na mão esquerda e de presilhas externas na mão direita em ambos os grupos. Os padrões datiloscópicos encontrados em todos os dedos, analisados em conjunto e isoladamente foram concordantes com os dados da literatura mundial nos estudos de indivíduos da população normal e, parcialmente, concordantes com a literatura específica de dermatóglifos e alcoolismo. Não se encontrou um padrão datiloscópico característico que pudesse ser sugestivo ou considerado fator de risco para alcoolismo / The aim of this study was to identify and compare the main types of fingerprints between established alcoholic and non-alcoholic individuals. In this study, 152 patients who were admitted for alcohol detoxification at the Hospital Dr. Adolfo Bezerra de Menezes, São José Rio Preto, São Paulo, Brasil, were evaluated in comparison with the control group, which constituted 144 non-alcoholic individuals who were on active duty in the Brazilian Army. All the results were subjected to thorough statistical analysis using appropriate tests. The main fingerprint patterns with the highest frequencies were ulnar loops, followed by radial loops, whorls, and arches among the alcoholics; and ulnar loops, followed by whorls, radial loops, and arches among the controls. In both groups, inner loops predominated in the left hand; and radials loops, in the right hand. The dactyloscopic patterns found on the fingers analyzed together and separately were consistent with published data from studies with healthy individuals and partially concordant with specific studies on dermatoglyphics and alcoholism. No characteristic dactyloscopic pattern was found that could be suggestive of or considered as a risk factor of alcoholism

O objetivo deste estudo foi identificar e comparar os tipos fundamentais das impressões digitais em indivíduos comprovadamente alcoolistas e não alcoolistas. A pesquisa avaliou 152 doentes alcoolistas internados para desintoxicação alcoólica no Hospital Dr. Adolfo Bezerra de Menezes - São José Rio Preto - São Paulo ( Brasil ), comparando-os com 144 indivíduos não alcoolistas, integrantes do Exército Brasileiro na ativa, que constituíram o grupo-controle. Todos os resultados foram submetidos à criteriosa análise estatística pelos testes adequados a este estudo. Os tipos fundamentais de maior frequência nos alcoolistas foram as presilhas internas, seguidas de presilhas externas, verticilos e arcos. No grupo-controle foram as presilhas internas, seguidas de verticilos, presilhas externas e arcos. Constatou-se uma predominância das presilhas internas na mão esquerda e de presilhas externas na mão direita em ambos os grupos. Os padrões datiloscópicos encontrados em todos os dedos, analisados em conjunto e isoladamente foram concordantes com os dados da literatura mundial nos estudos de indivíduos da população normal e, parcialmente, concordantes com a literatura específica de dermatóglifos e alcoolismo. Não se encontrou um padrão datiloscópico característico que pudesse ser sugestivo ou considerado fator de risco para alcoolismo / The aim of this study was to identify and compare the main types of fingerprints between established alcoholic and non-alcoholic individuals. In this study, 152 patients who were admitted for alcohol detoxification at the Hospital Dr. Adolfo Bezerra de Menezes, São José Rio Preto, São Paulo, Brasil, were evaluated in comparison with the control group, which constituted 144 non-alcoholic individuals who were on active duty in the Brazilian Army. All the results were subjected to thorough statistical analysis using appropriate tests. The main fingerprint patterns with the highest frequencies were ulnar loops, followed by radial loops, whorls, and arches among the alcoholics; and ulnar loops, followed by whorls, radial loops, and arches among the controls. In both groups, inner loops predominated in the left hand; and radials loops, in the right hand. The dactyloscopic patterns found on the fingers analyzed together and separately were consistent with published data from studies with healthy individuals and partially concordant with specific studies on dermatoglyphics and alcoholism. No characteristic dactyloscopic pattern was found that could be suggestive of or considered as a risk factor of alcoholism

In an attempt to develop a statistical model for fingerprint analysis, the Minutiae:Ridge-Length Ratio (MRLR) was used to examine differences between the different sexes, hands, fingers, ridge patterns, and racial groups. In regards to sex, statistically significant MRLR differences (α=0.05) were found between males and females when analyzing both individual prints (p<0.001) and entire ten-print cards (p=0.025). Further examination of the data revealed more specific differences within separate subcategories. The MRLR was significantly different (p<0.001) between males and females with both right and left hands. With respect to sex and individual finger differences, the thumb (p<0.001), index finger (p<0.001), and middle finger (p=0.015) were statistically significant. For ridge pattern, whorls (p<0.001) and ulnar loops (p<0.001) had significant differences between the sexes. Racially, males and females had statistically significant differences from one another within the Caucasian (p<0.001) and African American (p<0.001) racial groups. Further investigation of variables independent of sex highlighted other statistically significant MRLR relationships. Within the fingers, the thumb was found to be significantly different than the middle (p<0.001), ring (p<0.001), and little fingers (p<0.001); the index finger also differed from the little finger significantly (p=0.001). Comparison of level one detail demonstrated the whorl pattern was statistically different than the arch (p<0.001), radial loop (p=0.002), and ulnar loop patterns (p<0.001). No statistically significant difference was found between the right and left hands of the sample population (p=0.160). The racial subdivisions produced more complex relationships. Caucasians had statistically significant MRLR differences to African Americans (p=0.036), Hispanics (p=0.003), and Asians (p=0.046). African Americans had additional significant differences from Hispanics (p<0.001), Asians (p<0.001), and Native Americans (p=0.036). Finally, Native Americans and Hispanics shared a significant difference as well (p<0.036). However, due to the uncertainty of racial demographic data, the extrapolation of these findings to the general population may not be appropriate for forensic investigation purposes.