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Table 1 Data collection from 3D-CT and surgical procedures

From: Single minimum incision endoscopic radical nephrectomy for renal tumors with preoperative virtual navigation using 3D-CT volume-rendering

  pre-operative
axial CT
(n = initial 20)
pre-operative
3D-CT
(n = subsequent 60)
Surgical procedures
(n = 80)
Patient demographics    
No. of patients 20 60 80
Age    60.8 (31 - 82)
Sex (male/female)    54/26
Tumor    
Tumor side (right/left)    42/38
Tumor size on CT (cm) 4.5 (2 - 12)  
No. of renal hilar vessels    
Renal arteries (1/2 or 3) 18/2 53/7 17/3, 53/7
Renal veins (1/2 or 3) 19/1 52/8 17/3, 52/8
MIES Operation    
Operative time (min)    131 (77 - 220)
Blood loss (ml)    215 (9 - 1010)