Acetabular osteometric standards for sex estimation in contemporary Croatian population

Bubalo, Pero and Baković, Marija and Tkalčić, Martina and Petrovečki, Vedrana and Mayer, Davor (2019) Acetabular osteometric standards for sex estimation in contemporary Croatian population. Croatian Medical Journal, 60 (3). pp. 221-226. ISSN 0353-9504

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Abstract

AIM: To determine the sexual dimorphism of acetabular measurements in contemporary Croatian population and to provide a discriminant function equation for sex estimation. ----- METHODS: The sample consisted of 200 adult pelvic bones (100 male and 100 female) from positively identified victims of Croatian War of Independence. In total, 96 left (48 male and 48 female) and 104 right (52 male and 52 female) acetabula were measured. One author measured two acetabular parameters using a sliding caliper: acetabular diameter (AD) and transverse acetabular diameter (TAD). Another author re-measured the acetabula of 40 randomly selected individuals to determine the inter-observer error. ----- RESULTS: Both measured variables showed significant sexual dimorphism. Men had significantly higher values for AD and TAD than women. Receiver operating characteristic curve analysis showed that the cut-off point for prediction of male sex when using acetabular diameter was higher than 54 mm. For transverse acetabular diameter it was higher than 52 mm. The discriminant function was generated by using both acetabular variables, with 88% of accuracy in sex estimation. Inter-observer error was not significant. ----- CONCLUSION: The acetabular measurements can be used for sex estimation in contemporary Croatian population with high accuracy.

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