Table 2. Association between risk factors with kidney stone formation based on logistic regression model in the elderly population .

Variable	OR	95% CI OR	P value
Male gender	1.80	1.30-2.49	<0.001
Age <75 years	1.59	1.07-2.35	0.022
BMI (kg/m2)
<25	1	-	0.016
25-29.99	1.31	0.91-1.90	0.153
≥30	1.85	1.21-2.81	0.004