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Table 1 Demographic Data and Intraoperative Data

From: Short-term and medium-term clinical outcomes of laparoscopic-assisted and open surgery for colorectal cancer: a single center retrospective case-control study

 

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

    

1.000

 

No

194

76.4

202

76.2

 
 

Yes

60

23.6

63

23.8

 

Preoperative Comorbid Diseases

    

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

/

/

 

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

  1. BMI, Body Mass Index; ASA, American Society of Anesthesiologists; HAR, High Anterior Resection; LAR, Low Anterior Resection; APR, Abdomioperineal Resection; a, 1 HAR, 1 LAR, 1 Sigmoid Colostomy, 2 Right Colectomy, and 3 Sigmoidectomy; All conversions on account of severe local invasion and adhesion (Excluded from Laparoscopic group)