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  • Title: Differences in pelvic parameters among Mexican, Caucasian, and Asian populations.
    Author: Zárate-Kalfópulos B, Romero-Vargas S, Otero-Cámara E, Correa VC, Reyes-Sánchez A.
    Journal: J Neurosurg Spine; 2012 May; 16(5):516-9. PubMed ID: 22385086.
    Abstract:
    OBJECT: The aim of this study was to describe the pelvic parameters in a sample of healthy Mexican volunteers and to compare them with previously reported data for Caucasian and Asian populations. METHODS: This was a transversal study that included a sample population of healthy Mexican volunteers. Age, sex, and lateral radiographs of the lumbosacral region with the individual standing to obtain the pelvic parameters of pelvic tilt (PT), sacral slope (SS), pelvic incidence (PI), and lumbar lordosis (LL) were recorded in each volunteer. The data were compared with those previously published for Caucasian and Asian individuals. RESULTS: In total, 202 Mexican individuals (81 men and 121 women; mean age 46.5 years, range 18-85 years) were included. There were statistically significant differences between the Mexican and Caucasian control group with respect to PT (11.9° vs 15.78°, respectively) and PI (51.91° vs 56.68°, respectively). Comparison with the Asian population showed statistically significant differences in relation to the Mexican group in terms of the PT (11.5° vs 15.78°), PI (47.8° vs 56.68°), and SS (36.3° vs 40.89°). The mean LL was 60.17° for the Mexican group, 52.3° for the Asian group, and 61.3° for the Caucasian group. A significant difference in LL was found between the Mexican and Asian populations (p < 0.0001). CONCLUSIONS: A comparison of the values for pelvic parameters and lumbar lordosis across the different population samples revealed statistically significant differences, which can be attributed to the ethnic origin of the individuals.
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