Decreased Bone Mineral Density in Patients Submitted to Kidney Transplantation Is Related to Age, Body Mass Index, Time on Dialysis, and Hyperparathyroidism
Table 3
Comparisons between patients with bone density Z-scores ≤ −2.0 SD at lumbar spine and/or proximal femur.
Z-score ≤ −2.0 SD ()
-score −2.0 SD ()
value
Sex
Women
8
28
0.287
Men
17
35
Age (years)
44.5 (34.6–52)
43.7 (37.4–53.9)
0.691
BMI (kg/m2)
24.6 (19.7–28.3)
24.9 (22.8–26.7)
0.307
Time on dialysis (months)
78 (12–84)
60 (13–96)
0.880
Time since Tx (months)
29 (14–48)
32 (17.5–68.5)
0.598
Donor
Living
14
29
0.402
Deceased
11
34
cCalcium (mg/dL)
9.4 (9–9.8)
9.3 (8.9–9.7)
0.506
Phosphorus (mg/dL)
3 (2.8–3.2)
3 (2.6–3.6)
0.858
Creatinine (mg/dL)
1.4 (1.1–1.6)
1.2 (1.1–1.6)
0.552
Albumin (g/dL)
4.4 (4.3–4.6)
4.3 (4.1–4.6)
0.104
PTH (pg/dL)
83.3 (49.1–137.8)
48.2 (33.1–79.3)
0.016
BMI: body mass index; Tx: transplant; cCalcium (corrected for albumin); PTH: parathormone. Data expressed as absolute values or median (interquartile interval).