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Table 2 Operative and postoperative data, and outcome

From: Impacted ≥ 10-mm pelvic ureteric stone treatment: laser lithotripsy alone or in combination with pneumatic lithotripsy—a prospective, comparative study

 Laser groupCombined groupp value
Early stone-free rate28/45 (62.2%)26/45 (57.7%)0.615
Late stone-free rate40/45 (88.8%)41/45 (91.1%)0.780
Failed patients
 Stone retropulsion2/45 (4.4%)2/45 (4.4%)
 Residual fragment3/45 (6.6%)2/45 (4.4%)0.644
Double-J stenting29/45 (64.4%)23/45 (51.1%)0.043
Basket stone retrieval17/45 (37.7%)18/45 (40%)0.711
Lithotripsy time (mean ± SD, min)15.5 ± 12.217.3 ± 7.20.781
Operative time (mean ± SD, min)40.7 ± 26.343.2 ± 21.60.632
Second session URS lithotripsy7/45 (15.5%)4/45 (8.8%)0.048
Hospital stay ( mean ± SD, h)46.6 ± 15.841.4 ± 16.30.647
Intraoperative complications5/45 (11.11%)2/45 (4.4%)0.038
 Bleeding-caused procedure termination1 (2.2%)1 (2.2%) 
 Mucosal laceration3 (6.6%)1 (2.2%) 
 Ureteral perforation1 (2.2%)0 
Postoperative complications6/45 (13.3%)4/45 (8.8%)0.047
 Fever2 (6.6%)2 (4.4%) 
 Hematuria for ˃ 3 days1 (2.2%)1 (2.2%) 
 Urosepsis1 (2.2%)1 (2.2%) 
 Stricture ureter2 (4.4%)0 
  1. SD standard deviation
  2. Statistically significant = p ˂ 0.05