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[Use of densitometry examinations for evaluation of proximal femur fracture risk in people over 50 years of age].

The paper presents the use of dual energy X-ray absorptiometry for selecting patients with high risk of proximal femur fracture. A group of 63 patients with fracture has been compared with a group of 306 patients who fell down but did not sustain a fracture, all individuals aged over 60. Most significant bone density decrease (p < 0.001) presented as Z indices related to young population was found in all three examined areas of the proximal femur. The difference between the groups ranged between 1.62 to 2.19 SD depending on the area and the sex. Threshold values for ZYA have been established. For the femoral neck it was -1.3 SD, for Ward's triangle -1.5 SD and for trochanteric area -0.4 SD.