Infracostal Access | Supracostal Access | p value | ||
---|---|---|---|---|
Total number of percutaneous tracts (%) | 47/43(109.3 %) | 53/40(132.5 %) | 0.005 | |
Percutaneous tract (%) | Single tract | 40/43(93.0 %) | 29/40(72.5 %) | 0.0165 |
Two tracts | 2/43(4.7 %) | 9/40(22.5 %) | 0.0209 | |
Three tracts | 1/43(2.3 %) | 2/40(5.0 %) | 0.29 | |
Average time needed for establishing a percutaneous tract (min) | (3 ± 1.6)min | (6 ± 3.9)min | 0.001 | |
Average time needed for stone clearance (min) | Renal stones | (42 ± 12)min | (61 ± 26)min | 0.33 |
Ureteral stones | (10 ± 6)min | (11 ± 8)min | 0.29 | |
Renal stone clearance rate by one surgery using a single percutaneous tract | 18/23(78.26 %) | 7/20(35.0 %) | 0.002 | |
Stone clearance rate by one surgery | Renal stones | 21/23(91.3 %) | 18/20(90.0 %) | 0.43 |
Ureteral stones | 100 % | 100 % | ||
Renal stones needing secondary treatment (secondary MPCNL or ESWL) (%) | 2/23(8.7 %) | 2/20(10.0 %) | 0.43 | |
Mean amount of bleeding (ml) | 72.8 ± 28.1 | 86.74 ± 32.6 | 0.040 | |
Clavien Grade 1 complication | 4(9 %) | 4(10 %) | 0.82 | |
Clavien Grade 2 complication | 0(0 %) | 0(0 %) | 0.001 | |
Clavien Grade 3 complication | 0(0 %) | 2(5 %) | ||
Clavien Grade 4 complication | 0(0 %) | 0(0 %) |