Research Article

Surgical Parameters Related to Excessive Intrarenal Pressure during Minimally Invasive Percutaneous Nephrolithotomy in the Supine Position: A Prospective Observational Clinical Study

Table 3

The logistic regression analysis of surgical parameters related to  cmH2O.

UnivariateMultivariate
VariablesOR95% CI valueOR95% CI value

Stone burden, 1.1000.179-6.7550.9180.9620.060-15.4320.978
0.5930.122-2.8870.5170.4820.062-3.7550.486
1.1430.250-5.2240.8630.9720.091-10.3810.981
Hydronephrosis1.5430.329-7.2260.5820.9640.142-6.5600.970
Previous cortical defect1.1000.179-6.7550.9180.9000.078-10.3590.933
0.6670.093-4.8030.6870.7130.009-58.8400.881
Laser energy setting (J) 1.5 Jref.ref.
 2.0 J1.0000.055-18.0851.0001.9160.006-624.7810.826
 2.5 J0.5000.013-19.5620.7111.6010.000-6040.090.911
1.1110.213-5.8020.9011.3220.067-26.0370.854
7.3331.163-46.2350.0348.0050.842-76.1100.070