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Table 1 Demographic characteristics of 245 bladder cancer patients who underwent ileal conduit urinary diversion

From: An improved ileal conduit surgery for bladder cancer with fewer complications

Characteristic Entire cohort Conventional ileal conduit group Modified ileal conduit group P value
Total (cases) 245 100 145  
Age [years, median (range)] 62 (18–89) 62 (30–89) 62 (18–88) 0.733
Gender [cases (%)]     0.684
 Male 199 (81.2) 80 (80.0) 119 (82.1)  
 Female 46 (18.8) 20 (20.0) 26 (17.9)  
Smoking status [cases (%)]     0.762
 Yes 127 (51.8) 53 (53.0) 74 (51.0)  
 No 118 (48.2) 47 (47.0) 71 (49.0)  
Adjuvant chemotherapy [cases (%)]     0.653
 Yes 131 (53.5) 61 (61.0) 70 (48.3)  
 No 114 (46.5) 39 (39.0) 75 (51.7)  
Neoadjuvant chemotherapy [cases (%)]     0.759
 Yes 11 (4.5) 4 (4.0) 7 (4.8)  
 No 234 (95.5) 96 (96.0) 138 (95.2)  
BMI [kg/m2, mean ± SD] 21.8 ± 3.2 22.2 ± 2.8 21.3 ± 3.6 0.834
CCI [cases (%)]     0.902
 ≤ 2 175 (71.4) 71 (71.0) 104 (71.7)  
 > 2 70 (28.6) 29 (29.0) 41 (28.3)  
ASA score [cases (%)]     0.613
 ≤ 2 183 (74.7) 73 (73.0) 110 (75.9)  
 > 2 62 (25.3) 27 (27.0) 35 (24.1)  
Prior pelvic irradiation [cases (%)]     0.072
 Yes 5 (2.0) 4 (4.0) 1 (0.7)  
 No 240 (98.0) 96 (96.0) 144 (99.3)  
Preoperative hydronephrosis [cases (%)]     0.532
 Yes 79 (32.2) 30 (30.0) 49 (33.8)  
 No 166 (67.8) 70 (70.0) 96 (66.2)  
Pathologic T stage [cases (%)]     0.129
 1 45 (18.4) 25 (25.0) 20 (13.8)  
 2 57 (23.3) 21 (21.0) 36 (24.8)  
 3 81 (33.1) 33 (33.0) 48 (33.1)  
 4 62 (25.3) 21 (21.0) 41 (28.3)  
Pathologic N stage [cases (%)]     0.797
 0 152 (62.0) 63 (63.0) 89 (61.4)  
 ≥ 1 93 (38.0) 37 (37.0) 56 (38.6)  
Year of surgery     0.052
 Before/in 2009 42 (17.1) 11 (11.0) 31 (21.4)  
 After 2009 203 (82.9) 89 (89.0) 114 (78.6)  
  1. BMI Body mass index, SD standard deviations, CCI Charlson comorbidity index, ASA American Society of Anesthesiology