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  • Title: Sex determination by discriminant function analysis of the tibia for contemporary Croats.
    Author: Slaus M, Bedić Z, Strinović D, Petrovečki V.
    Journal: Forensic Sci Int; 2013 Mar 10; 226(1-3):302.e1-4. PubMed ID: 23410795.
    Abstract:
    Previous studies have demonstrated that populations differ from each other in size and proportion, and that these differences can affect metric assessment of sex. This paper establishes standards for determining sex from fragmentary and complete tibiae in the modern Croatian population. Measurements were taken on 180 tibiae (109 male and 71 female) from positively identified victims of the 1991-1995 War in Croatia. Six standard dimensions: length of the tibia (CML), maximum epiphyseal breadth of the proximal tibia (MPEB), maximum epiphyseal breadth of the distal tibia (MDEB), maximum diameter of the tibia at the nutrient foramen (MDNF), transverse diameter of the tibia at the nutrient foramen (TDNF), and circumference of the tibia at the nutrient foramen (CNF), were taken and subjected to different discriminant function analyses. The highest level of accuracy (91.1%) in the analyzed data set was achieved employing the variables: maximum epiphyseal breadth of the proximal tibia, maximum epiphyseal breadth of the distal tibia, maximum diameter of the tibia at the nutrient foramen, transverse diameter of the tibia at the nutrient foramen, and circumference of the tibia at the nutrient foramen. The second highest level of accuracy (90.6%) was achieved using a combination of only three variables: maximum epiphyseal breadth of the proximal tibia, maximum diameter of the tibia at the nutrient foramen, and circumference of the tibia at the nutrient foramen. The lowest accuracy (84.4%) was obtained when only one variable (maximum diameter of the tibia at the nutrient foramen) was employed. The results of this study show that the modern Croatian tibia is a good skeletal component for determining sex. Standardized coefficients of the discriminant functions generated in this study support the results of previous studies that found that breadth dimensions provide better separation of the sexes than length.
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