High Supracostal Access (N = 142)

Subcostal Access (N = 113)

p Value

Age

49 (20% - 85%)

50 (10% - 87%)

0.85

BMI

32 (14% - 66%)

34 (15% - 75%)

0.36

Prior Lithotripsy

41 (29%)

28 (25%)

0.46

Prior Endoscopy

31 (22%)

25 (22%)

>0.99

Pre-op Urine Culture

Not Done

21 (15%)

15 (13%)

0.93

Negative

92 (65%)

75 (66%)

Positive

28 (20%)

23 (20%)