Table 7.

Demographic, anthropometric, serum and urinary characteristics of calcium stone-forming subjects from Bern with and without the MS^a

	No MS (N = 111)	MS (N = 29)	P
Gender, male/female; n ( % )	90/21 (81/19)	26/3 (90/10)	0.4
Age, years	48 ± 14	49 ± 10	0.8
BMI, kg/m2	25.0 ± 3.8	30.7 ± 6.0	< 0.0001
Systolic BP, mmHg	137 ± 20	146 ± 17	0.03
Diastolic BP, mmHg	86 ± 11	95 ± 15	0.003
Serum
Glucose, mmol/L	5.1 ± 0.8	5.7 ± 1.1	0.01
Triglycerides, mmol/L	1.11 ± 0.45	2.24 ± 0.80	< 0.0001
HDL cholesterol, mmol/L	1.39 ± 0.32	0.99 ± 0.18	< 0.0001
Urine
Total volume, L/day	2.08 ± 0.77	2.19 ± 1.23	0.7
Calcium, mmol/day	6.9 ± 3.7	7.0 ± 3.2	0.8
Oxalate, mmol/dayb	298 ± 138	327 ± 116	0.6
Uric acid, mmol/day	3.27 ± 1.21	3.68 ± 1.12	0.09
pH	6.07 ± 0.81	6.14 ± 0.68	0.6
Citrate, mEq/day	9.4 ± 8.3	9.4 ± 5.9	0.9
Sulfate, mmol/day	24.5 ± 17.7	25.4 ± 11.5	0.7
NAE, mEq/day (calculated)	66.8 ± 40.8	69.5 ± 43.7	0.9
Creatinine clearance, mL/s	1.97 ± 0.58	2.27 ± 0.67	0.02
Supersaturation indices
SI CaOx (volume adjusted)	3.37 ± 1.98	4.04 ± 2.78	0.5
SI Br (volume adjusted)	1.35 ± 0.92	1.59 ± 0.73	0.6

^aValues are expressed as mean ± SD.

^bOxalate only available in 25 subjects with no MS and six subjects with the MS.