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Objectives: To document data for the femoral bicondylar angle of Nigerians in Rivers State and to establish if there exists any sexual dimorphism or racial variation in the femoral bicondylar angle amongst Nigerians in Rivers State.
Materials and Methods: A total of 250 radiographs of the knee joints were collected and reviewed from November 2010 to August 2011.
Results: The gender difference observed was statistically significant (F=11.720, p=0.001). The mean bicondylar angle of the right femur for males was 8.35± 0.2420 while that of the right femur for females was observed to be 8.16 ± 0.81870. Results also revealed that the mean for left femoral bicondylar angle in males was 8.66 ± 0.2310 while that of females was 8.91 ± 0.1850. These findings reveal that there exists sexual dimorphism in the femoral bicondylar angle amongst Nigerians in Rivers State. In addition, observation also showed that there existed racial variation when compared to other races in the world.