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Table 4 Comparison of bone mineral density between male patients in the renal tubular acidification dysfunction group and the normal function group (X±S)

From: Evaluating distal renal tubular acidification function in primary hyperparathyroidism and its effects on bone mineral density

  Distal renal tubular dysfunction group (13) Distal renal tubular normal group (8) P
Age, y 63.5 ± 8.7 54.25 ± 13.7 0.081
BMI (kg/m2) 24.94 ± 4.2 26.51 ± 3.09 0.373
Albumin, g/L 42.25 ± 3.30 41.75 ± 3.49 0.750
Albumin-corrected serum calcium, mmol/L 2.80 ± 0.32 2.79 ± 0.34 0.968
Serum phosphate, mmol/L 0.66 ± 0.13 0.72 ± 0.17 0.402
PTH (pmol/L) 54.15 (25.2, 112.75) 41.25 (15.52, 62.8) 0.217 (Non-parametric)
25OHD (nmol/L) 40.05 (20.0, 48.1) 31.4 (23.8, 32.4) 0.554 (Non-parametric)
Serum sodium (mmol/L) 141.9 ± 1.28 141.85 ± 1.95 0.957
Serum magnesium (mmol/L) 0.87 ± 0.07 0.86 ± 0.07 0.866
Urinary calcium, mmol/24h 9.07 ± 3.83 9.23 ± 6.37 0.944
Urinary phosphate, mmol/24h 20.56 ± 9.25 23.28 ± 5.99 0.473
Urine sodium (mmol/24h) 110.61 (68.41, 183.39) 209.8 (141.18, 259.26) 0.093 (Non-parametric)
Urine magnesium (mmol/24h) 2.12 (1.52, 3.49) 2.82 (2.23, 4.39) 0.258 (Non-parametric)
L1-L4 (g/cm2) 1.004 ± 0.165 1.076 ± 0.213 0.441
Femoral neck (g/cm2) 0.797 ± 0.118 0.781 ± 0.133 0.798
Total hip (g/cm2) 0.823 ± 0.134 0.835 ± 0.163 0.870
Kidney stones (with/without) 3/10 2/6 1.000 (Fisher)
Fracture (with/without) 8/5 7/1 0.336 (Fisher)
Osteoporosis at any site(n,%) 3(23%) 1(12.5%) 0.549 (Fisher)