Table 4 Comparison of clinical characteristics among nephrolithiasis patients with normal and low bone mass
From: Association between low bone mass and the serum RANKL and OPG in patients with nephrolithiasis
Clinical characteristics | Normal | Osteoporosis/ Osteopenia | P- value |
|---|---|---|---|
Median(25th,75th) | Median(25th,75th) | ||
Age(years) | 40(35.5,47) | 56(42,64) | 0.05 |
BMI (Kg/m2) | 28.95(27.3,30.52) | 27.43(24.49,30.39) | 0.1 |
OPG(pmol/l) | 3.1(2.8,3.7) | 3.9(2.9,4.4) | 0.03 |
sRANKL(pmol/l) | 0.2(0.1,0.3) | 0.2(0.1,0.2) | 0.19 |
OPG/RANKL | 14.5(10.17,29) | 20(14,39) | 0.08 |
Na(mEq/l) | 137.30(136.65,138) | 137.6(136.9139.2) | 0.23 |
BUN(mg/dl) | 13.6(12.1,15.9) | 16.3(14.1,17.7) | 0.25 |
Creatinie(mg/dl) | 0.8(0.8,1.1) | 1(0.8,1.3) | 0.62 |
Uric acid (mg/dl) | 5.3(4.4,6.1) | 5.9(3.9,7) | 0.94 |
Calcium(mg/dl) | 9.6(9.1,9.9) | 9.4(8.9,10) | 0.62 |
Phosphorous(mg/dl) | 3.3(3.25,4.2) | 3.5(3.1,4.1) | 0.94 |
Urine volume (ml/24 h) | 900(775,1950) | 1700(1100,2250) | 0.21 |
Urine creatinine (mg/24 h) | 1104(850,1570) | 1360(946,1740) | 0.59 |
Urine uric acid (mg/24 h) | 702(369,876.5) | 572(400,800) | 0.52 |
Urine ca (mg/24 h) | 195(99,294) | 234(160,352) | 0.51 |
Urine p(mg/24 h) | 828(614,1134) | 682(590,864) | 0.21 |
PTH(pg/ml) | 31.1(19.2,38.6) | 37.5(27,61.4) | 0.09 |
Vitamin D(nmol/l) | 36.25(20.5,57.83) | 36.8(26.15,64.95) | 0.54 |
Urine citrate (mg/24 h) | 496.5(259.25,743.75) | 356(267,733) | 0.67 |
eGFR(ml/minute) | 111(100.04,129.6) | 83.96(72.77, 112.75) | 0.002 |
kidney stone disease duration (years) | 1.25(1, 10.75) | 5.5(3,11) | 0.002 |