Table 1.

Patient characteristics

Characteristic	String	No string	P-value
Patients(n)	58	56
Male:Female	42:16	36:20	0.34
Age(years)	50.97±12.20	50.54±14.28	0.86
Stone size(mm)	6.83±2.04	7.64±1.68	0.32
Laterality (n) Right:Left	28:30	27:29	0.85
Stone location(n) upper: mid: lower	4:12:42	7:12:37	0.53
Stent duration(days)	5.97	6.28	0.12