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Table 4 Comparison between baseline parameters with stone-free rate

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

Baseline and operative parameters Outcome parameters
Stone-free rate
p value
Yes (n = 55) No (n = 5)
Stone size 1.48 ± 0.45 2.34 ± 0.90 < 0.001
HFU 790.71 ± 300.30 832.80 ± 280.03 0.764
Stone number
 Single 48/50 (96%) 2/50 (4%) 0.007
 Multiple 7/10 (70%) 3/10 (30%)