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Table 2 Intraoperative and postoperative variables

From: Laparoscopic radical prostatectomy: a single surgeon’s experience in 80 cases after 2 years of formal training

  Group A Group B Group C Group D P
Estimated bleeding (ml) (mean ± SD) (min–max) 182 ± 53.89 (100–285) 192 ± 122.77 (100–500) 192.5 ± 111.54 (50–500) 134 ± 82.99 (20–450) 0.180
Drainage time (days) (mean ± SD) (min–max) 2.25 ± 0.44 (2–3) 2.4 ± 0.5 (2–3) 2.35 ± 1.31 (1–7) 1.65 ± 0.93 (1–5) 0.029**
Urinary catheter time (days) (mean ± SD) (min–max) 9.25 ± 1.07 (7–11) 9.9 ± 1.74 (7–14) 9.3 ± 2.18 (7–17) 8.55 ± 1.61 (7–14) 0.105
Hospitalization time (days) (mean ± SD) (min–max) 5.2 ± 1.28 (4–9) 5.15 ± 1.23 (3–9) 4.7 ± 2.9 (3–15) 4.65 ± 1.76 (2–10) 0.711
Surgical time (Mean ± SD) (min–max) 177.8 ± 47.13 (112–250) 161.55 ± 46.9 (103–253) 160.65 ± 43.93 (105–270) 126.8 ± 5.48 (120–136) 0.001*
Nerve sparing (%)
 None 14 (70%) 10 (50%) 14 (70%) 11 (55%) 0.429
 Unilateral 1 (5%) 1 (5%) 3 (15%) 2 (10%)  
 Bilateral 5 (25%) 9 (45%) 3 (15%) 7 (35%)  
Clinic stage: n (%)
 T2 10 (50%) 7 (35%) 11 (55%) 12 (60%) 0.423
 T3 10 (50%) 13 (65%) 9 (45%) 8 (40%)  
Gleason score (%)
  ≤ 6 (%) 10 ( 50%) 14 (70%) 16 (80%) 13 (65%) 0.523
 7 (%) 7 (35%) 3 (15%) 3 (15%) 4 (20%)  
 > 7 (%) 3 (15%) 3 (15%) 1 (5%) 3 (15%)  
  1. SD = standard deviation; CV: coefficient of variation