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Table 2 Intraoperative parameters

From: Laser lithotripsy using dusting technique (low energy, high frequency) for symptomatic upper urinary tract stones

Total patients n = 60  
Mean operative time in min ± SD (range) 58.50 ± 16.21 (30–100)
Mean fluoroscopy time in min ± SD (range) 8.45 ± 2.98 (3–15)
Endoscopy utilized; number (%)
 Semirigid 43 (71.6)
 Flexible 10 (16.7)
 Both 7 (11.7)
Mean total energy delivered in J ± SD (range) 6836.23 ± 3018.00 (1002–19,314)
Stenting; number (%)
 DJ 38 (63.33%)
 Ureteric catheter 22 (36.67%)