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Table 1 Patient demographic and clinical characteristics after propensity score matching

From: Initial experiences of robotic versus conventional laparoscopic surgery for colorectal cancer, focusing on short-term outcomes: a matched case-control study

  Robotic Laparoscopic P value
( N= 10) ( N= 20)
Age (years) 64.5(55 to 72) 64.0(48 to 79) 0.947
Sex (male/female) 6/4 11/9 1.000
BMI (kg/m2) 21.98(17.9 to 28.4) 24.1(15.0 to 29.7) 0.509
Previous abdominal surgery 2 3 1.000
ASA score    0.666
  1 1 3  
  2 9 15  
  3 0 2  
Location    1.000
  Sigmoid colon 3 6  
  Rectum 0 2  
Surgical cage    0.931
  I 5 12  
  II 3 4  
  IIIa 1 3  
  IIIb 1 1  
Preoperative serum CEA 3.0(1.1 to 31.3) 3.5(1.1 to 31.1) 0.758