Visibility Under

Fluoroscopy

Upper Ureteric Stone

Mid-Ureteric Stone

Lower Ureteric Stone

Total

Visible

451

143

148

742

60.8%

19.3%

19.9%

100.0%

Non-Visible

86

66

116

268

32.1%

24.6%

43.3%

100.0%

Total

537

209

264

1010

53.2%

20.7%

26.1%

100.0%