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Table 2 Patient characteristics in relation to the type of surgical procedure (open vs. laparoscopic)

From: Laparoscopic right-sided colon resection for colon cancer—has the control group so far been chosen correctly?

Characteristic

Patients total (n = 255)

Patients total lap (n = 24)

p value

No.

%

No.

%

Sex

 Male

118

46.3

12

50.0

n.s.

 Female

137

53.7

12

50.0

Age [years]

 Median

74.4

61.3

< 0.01

 Average ± SD

71.2 ± 12.6

63.9 ± 13.7

 Range

18.7–92.7

17.4–85.7

BMI

 Median

25.8

24.9

n.s.

 Average ± SD

26.3 ± 4.6

25.6 ± 5.5

 Range

16.4–49.3

19.3–47

ASA

 I

6

2.4

0

0.0

< 0.01

 II

119

47.7

20

83.3

 III

117

45.9

4

16.7

 IV

13

5.1

0

0.0

pUICC stage

 0

23

9.0

21

87.5

< 0.001

 I

44

17.3

3

12.5

 II

77

30.3

0

0.0

 III

70

27.5

0

0.0

 IV

41

16.1

0

0.0

pT stage

 0

23

9.0

21

87.5

< 0.001

 1

21

8.2

3

12.5

 2

33

12.9

0

0.0

 3

127

49.8

0

0.0

 4

51

20.0

0

0.0

pN stage

 0

157

61.6

24

100.0

< 0.001

 1

49

19.2

0

0.0

 2

49

19.2

0

0.0

pM stage

 0

214

83.9

24

100.0

0.03

 1

41

16.1

0

0.0

Number lymph nodes resected

 Median

31

21

< 0.001

 Average ± SD

32.7 ± 13.3

21 ± 5.3

 Range

10–73

12–30

OP time [min]

 Median

141

143

n.s.

 Average ± SD

152.4 ± 62.0

149.4 ± 30.2

 Range

61–443

114–254

LOS [days]

 Median

12

7.5

0.005

 Average ± SD

16.1 ± 11.6

9.3 ± 4.9

 Range

2–83

5–28

ICU [days] (n = 252)

 Median

1

0

0.03.

 Average ± SD

2.8 ± 5.3

0.375 ± 0.65

 Range

0–41

0–2