Table 2. Correlation between urinary and anthropometric parameters of stone formers (SF) and non-stone formers (non-SF).

Urinary parameters	Non-SF		SF
	BMI	WC	BMI	WC
	r	r	r	r
Urea (mg/24hs)	0.30	0.54*	0.35†	0.38†
Creatinine (mg/24hs)	0.07	0.39*	0.39†	0.39†
Uric acid (mg/24hs)	0.36	0.42*	0.49†	0.45†
Calcium (mg/24hs)	0.21	0.37*	0.14	0.18*
Citrate (mg/24hs)	0.22	0.43*	-0.01	-0.04
Sodium (mEq/24hs)	0.02	0.16	0.43†	0.39†
Oxalate (mg/24hs)	0.04	0.11	0.31*	0.31*
pH	0.10	-0.08	-0.07	-0.15*

BMI: body mass index; WC: waist circumference;

^† p < 0.001;

^* p < 0.05.