Table-Ib.

Risk estimates in participants of control group (n = 32).

Variable	Stone expulsion; % (n)	Odd ratio; 95% CI	p-value
Age (in years)
≤40	77.3 (17)	2.65; 0.27-26.25	0.37
>40	90 (9)
Gender
Male	75 (18)	1.44; 1.12-1.87	0.15
Female	100 (8)
Stone laterization
Center	70 (14)	1.86; 1.30-2.65	0.04
Right	100 (12)
Stone size (in mm)
≤5	83.3 (25)	0.20; 0.01-3.76	0.35
> 5	50 (1)