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

BMC Nephrology

Table 3 Correlation coefficient of BMD (g/cm2) with clinical characteristics in nephrolithiasis patients

	Femur neck	P-value	Femur total	P-value	Lumbar spine	P-value
OPG(pmol/l)	−0.344	0.02	−0.228	0.14	−0.295	0.05
sRANKL(pmol/l)	0.220	0.16	0.122	0.44	0.249	0.1
OPG/RANKL	−0.2	0.19	− 0.16	0.30	− 0.26	0.09
Age(years)	−0.544	00	−0.369	0.009	−0.338	0.02
BMI (Kg/m²)	0.341	0.02	0.498	0.001	0.079	0.61
BUN(mg/dl)	−0.257	0.09	−0.205	0.18	−0.126	0.41
Creatinie(mg/dl)	0.05	0.75	0.028	0.86	−0.188	0.22
Uric acid(mg/dl)	−0.09	0.56	−0.159	0.3	−0.231	0.13
Ca(mg/dl)	0.126	0.42	0.072	0.64	−0.011	0.94
Phosphorous (mg/dl)	−0.098	0.53	−0.150	0.33	−0.158	0.31
Urine volume(ml/24 h)	−0.026	0.89	0.001	0.99	0.104	0.57
Urine creatinine (mg/24 h)	0.275	0.13	0.199	0.28	0.110	0.55
Urine uric acid(mg/24 h)	0.308	0.09	0.243	0.18	0.161	0.38
Urine calcium(mg/24 h)	−0.133	0.47	−0.016	0.93	−0.153	0.41
Urine p(mg/24 h)	0.572	0.001	0.533	0.002	0.437	0.01
PTH(pg/ml)	−0.288	0.06	0.215	0.16	−0.227	0.14
Vitamin D(nmol/l)	−0.231	0.15	−0.242	0.13	−0.205	0.2
Na(mEq/l)	−0.218	0.16	−0.133	0.39	−.291	0.05
Urine citrate (mg/24 h)	0.103	0.58	0.105	0.58	0.112	0.55
eGFR (ml/minute)	0.54	≤0.01	0.44	0.003	0.26	0.84
kidney stone disease duration (year)	−.041	0.02	−0.17	0.34	−.024	0.19

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