| LAP (n = 254) | OP (n = 265) | P | |||
---|---|---|---|---|---|---|
 | n | % | n | % |  | |
Age (Years, mean ± SD) | 67.5 ± 10.8 | 66.0 ± 12.1 | 0.137 | |||
Gender | Male | 138 | 54.3 | 126 | 47.5 | 0.136 |
 | Female | 116 | 45.7 | 139 | 52.5 |  |
BMI (kg/m2, mean ± SD) | 23.4 ± 4.1 | 23.5 ± 3.9 | 0.622 | |||
ASA Score | 1 | 17 | 6.7 | 27 | 10.2 | 0.222 |
 | 2 | 148 | 58.3 | 160 | 60.4 |  |
 | 3 | 83 | 32.7 | 69 | 26.1 |  |
 | 4 | 6 | 2.3 | 9 | 3.3 |  |
Abdominal Operation History | Â | Â | Â | Â | 1.000 | |
 | No | 194 | 76.4 | 202 | 76.2 |  |
 | Yes | 60 | 23.6 | 63 | 23.8 |  |
Preoperative Comorbid Diseases | Â | Â | Â | Â | 0.333 | |
 | No | 109 | 42.9 | 125 | 47.2 |  |
 | Yes | 145 | 57.1 | 140 | 52.8 |  |
 |    Cardiovascular | 113 |  | 111 |  |  |
 |    Respiratory | 10 |  | 11 |  |  |
 |    Hepatic Cirrhosis | 0 |  | 1 |  |  |
 |    Renal Failure | 4 |  | 6 |  |  |
 |    Cerebral Infarction | 7 |  | 8 |  |  |
 |    Diabetes | 39 |  | 30 |  |  |
 |    Autoimmunal | 1 |  | 1 |  |  |
 |    Others | 17 |  | 15 |  |  |
Intervention | Right Colectomy | 70 | 27.6 | 72 | 27.2 | 0.906 |
 | Transverse Colectomy | 3 | 1.2 | 6 | 2.2 |  |
 | Left Colectomy | 16 | 6.2 | 15 | 5.7 |  |
 | Sigmoidectomy | 67 | 26.4 | 68 | 25.7 |  |
 | HAR | 51 | 20.1 | 56 | 21.1 |  |
 | LAR | 17 | 6.7 | 26 | 9.8 |  |
 | APR | 27 | 10.6 | 19 | 7.2 |  |
 | Hartmann | 1 | 0.4 | 3 | 1.1 |  |
 | Bacon | 2 | 0.8 | 0 | 0.0 |  |
Conversions to Opena | 8 | 3 | / | / | Â | |
Operative Time (min, mean ± SD) | 135.6 ± 40.0 | 131.2 ± 46.0 | 0.307 | |||
Blood Loss (ml, mean ± SD) | 101.5 ± 70.8 | 104.7 ± 118.8 | 0.002 | |||
Maximum Incision (cm, mean ± SD) | 4.3 ± 1.1 | 13.6 ± 2.3 | 0.000 |