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. 2016 Sep 1;10(9):PC17–PC21. doi: 10.7860/JCDR/2016/21875.8505

[Table/Fig-3]:

Perioperative parameters.

Characteristics Group 1 Group 2 Total p-value
Level of puncture (n=92, 132 punctures in total)
Supra 12th 76 28 104 0.0014
Supra 11th 11 17 28
Number of punctures (n=92, 132 punctures in total)
Single puncture 17 45 62
Two punctures 20 0 40
Three punctures 10 0 30
Duration of procedure (n=92)
Less than 60 min 5 35 40
60-90 min 24 6 30
90-120 min 13 4 17
More than 120 min 5 0 5
Stone Free Rate
Complete clearance 33 43
Incomplete clearance 14 2
Clinically Insignificant residual fragments (<4 mm) 8 2
More than 4 mm, (needing ancillary procedures) 6 0
Need for Ancillary procedures (n=6)
ESWL 4 0
Relook PCNL 1 0
Ureteroscopy 1 0
Complications as per Clavein Dindo classification
Grade I:
Transient fever >100O F 7 1 8 0.0008
Transient Haematuria 10 2 12
Grade II:
Peri Nephrostomy Catheter Urine leak 1 0 1 0.0004
Blood Transfusion 8 0 8
Post op Ileus 5 1 6
Grade IIIa:
Bacteraemia/sepsis 4 0 4 0.0009
Pelvi-calyceal tear/perforation 6 2 8
Hydrothorax requiring Intercostal drain insertion 2 0 2
Urinary retention due to blood clots 3 0 3
Grade IIIb:
Need for PCD 1 0 1 1.000
Grade IV a, IV b, V NIL NIL NIL NIL
Total 47 6 53