Osteoporosis rate increases in positive direction with the severity of the chronic kidney disease: T-score measured at vertebral column of patients with chronic kidney disease stages 3, 4, 5 alternates - 0.13; - 1.18; - 0.84, and T-score at femoral neck is - 0.22; - 0.21; - 0.31, however, these differences are not statistically significant.