Research Article

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
 Women8280.287
 Men1735
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
 Living14290.402
 Deceased1134
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).