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Table 1 Comparison of clinical parameters and lab data between male and female in nephrolithiasis patients

From: Association between low bone mass and the serum RANKL and OPG in patients with nephrolithiasis

Clinical parameters Total Male patients Female patients p-value
Median(25th–75th) Median(25th–75th) Median(25th–75th)  
Age(years) 47.5 ± 11.94 50.19 ± 12.43 45.04 ± 11.17 0.15
BMI(Kg/m2) 28.94 ± 4.21 28.65 ± 4.90 29.2 ± 3.56 0.67
Lab data
 OPG(pmol/l) 3.5(2.9–4) 3.4(2.9–4.3) 3.6(2.8–3.9) 0.61
 sRANKL(pmol/l) 0.2(0.1–0.3) 0.2(0.1–0.3) 0.2(0.1–0.3) 0.85
 BUN(mg/dl) 15.2(12.98–17.38) 15.8(14.15–18.45) 14(11.8–16.3) 0.02
 Creatinie (mg/dl) 0.9(0.8–1.1) 1.1(1–1.25) 0.8(0.8–0.9) ≤ 0.001
 Uric acid (mg/dl) 5.45(4.03–6.3) 6.3(5.65–7.25) 4.4(3.3–5.3) ≤ 0.001
 Ca(mg/dl) 9.6(8.9–9.98) 9.7(8.95–10.05) 9.5(8.9–9.9) 0.2
 P(mg/dl) 3.4(3.13–4.18) 3.3(3–4) 3.6(3.3–4.2) 0.19
 Urine volume(ml/24 h) 1350(900–2237.5) 1650(950–2237.5) 1150(825–2250) 0.39
 Urine creatinine(mg/24 h) 1227(949.5–1624) 1538(1150–1789.5) 1011(725–1273.5) 0.003
 Urine uric acid(mg/24 h) 593(405–804.5) 786(436–865.25) 547(390–760.5) 0.14
 Urine calcium (mg/24 h) 209.5(150–327) 193.5(152.5–285) 232(105–340.5) 0.9
 Urine phosphorus (mg/24 h) 741.5(592.5–958) 832(663.75–1163.5) 671(484.5–814.5) 0.04
 PTH(pg/ml) 32.9(24.65–42.83) 36.1(27.1–41.8) 31.1(20.7–61.4) 0.5
 Vitamin D(nmol/l) 36.8(25.45–61.10) 40(27.1–56.7) 31.55(20.5–64.45) 0.41
 Urine citrate (mg/24 h) 493(267–740) 427(277–674) 592(225–756.25) 0.3
 Na(mEq/l) 137.4(136.8–138.35) 137.3(136.75–138) 137.5(136.8–139) 0.5
 eGFR (ml/minute) 102.48(82.27–119.33) 101.98(79.14–117.83) 103.62(82.43–125.85) 0.71
 kidney stone disease duration (year) 3.5(1, 11) 3.25(1–8.88) 4.5(1–11.5) 0.66
  1. eGFR estimated glomerular filtration rate based on the Creatinine Cockcroft-Gault Equation