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. 2017 May 1;31(5):468–475. doi: 10.1089/end.2017.0027

Table 1.

Patient Demographic and Perioperative Parameters

Parameter Total (n = 180) LithoVue (n = 115) Reusable ureteroscope (n = 65) p-value
Age at surgery (years), mean ± SD 53.8 ± 14.4 55.8 ± 15.1 50.5 ± 12.6 <0.05
Gender, n (%)
 Female 88 (48.9%) 54 (47.0%) 34 (52.3%) 0.49
 Male 92 (51.1%) 61 (53.0%) 31 (47.7%)  
BMI (kg/m2), mean ± SD 29.6 ± 9.0 29.1 ± 8.6 30.6 ± 9.6 0.27
Procedural indication, n (%)
 Stone removal 142 (78.9%) 92 (80.0%) 50 (76.9%) 0.52
 Diagnostic 31 (17.2%) 20 (17.4) 11 (16.9%)  
 Urothelial cancer treatment 7 (3.9%) 3 (2.6%) 4 (6.2%)  
Procedural laterality, n (%)
 Left 86 (47.8%) 53 (46.1%) 33 (50.8%) 0.73
 Right 79 (43.9%) 53 (46.1%) 26 (40.0%)  
 Bilateral 15 (8.3%) 9 (7.8%) 6 (9.2%)  
Prestenting, n (%) 47 (26.1%) 35 (30.4%) 12 (18.5%) 0.08
Ureteral access sheath utilization, n (%) 130 (72.2%) 82 (71.3%) 48 (73.9%) 0.72

BMI = body mass index; SD = standard deviation.