Skip to main content

Table 3 Perioperative characteristics

From: Persistent descending mesocolon as a vital risk factor for anastomotic failure and prolonged operative time for sigmoid colon and rectal cancers

Variable

Total cohort

Matched cohort

PDM (n = 32,%)

Non-PDM (n = 813,%)

P

PDM (n = 27)

Non-PDM (n = 105)

P

Operative time

207.5(140,240)

156(121,189)

0.001

210(142,240)

163(125,195)

0.001

Blood loss

50(20,100)

30(20, 50)

0.006

50(20,100)

30(20,50)

0.002

Surgery procedure

  

 < 0.001

  

 < 0.001

 Colorectal anastomosis

27 (84.4%)

812 (99.9%)

 

22(81.5%)

105(100.0%)

 

 Hartmann*

5 (15.6%)

1 (0.1%)

 

5(18.5%)

0 (0.0%)

 

Intraoperative accident

 Marginal Arch injury

5 (20.0%)

9 (1.1%)

 < 0.001

4(14.8%)

1(0.9%)

0.006

 Splenic flexure free

7 (28.0%)

27 (3.3%)

 < 0.001

6(22.2%)

4(3.8%)

0.005

Lymph nodes harvested

17 (14, 24)

20 (15, 26)

0.192

18(15,24)

21(14,25)

0.006

Conversion

4 (16.0%)

10 (1.2%)

 < 0.001

3(11.1%)

1(0.9%)

0.008

Anastomosis failurea

7 (28.0%)

32 (3.9%)

 < 0.001

5(18.5%)

1(0.9%)

0.001

Clavien-Dindo classification

 Grade I-II

1(3.1%)

30 (3.7%)

 

1(3.6%)

5(5.2%)

1.000

 Grade III-IV

3 (9.4%)

27 (3.3%)

 

2(10.7%)

8(8.3%)

0.185

Complications

  

0.239

  

0.970

 AL

3 (9.4%)

31 (3.8%)

0.116

1(3.7%)

1(0.9%)

0.368

 Ileus

0 (0.0%)

8 (0.9%)

0.573

0(0.0%)

2(1.9%)

1.000

 Wound infection

1 (4.0%)

6 (0.7%)

0.001

2(7.4%)

0(0.0%)

0.041

 Intraperitoneal infection

0 (0.0%)

4 (0.5%)

0.691

0(0.0%)

1(1.0%)

0.588

 Hemorrhage

0 (0.0%)

6 (0.7%)

0.626

0(0.0%)

3(2.8%)

1.000

 Urinary infection

0 (0.0%)

2 (0.2%)

0.779

0(0.0%)

0(0.0%)

1.000

Mortality

0 (0.0%)

0 (0.0%)

1.000

0(0.0%)

0(0.0%)

1.000

Time-to-first exhaust

3(2,4)

3 (3, 4)

0.079

3(2,4)

3 (3, 4)

0.162

Time-to-first oral intake

4(3,4.75)

3 (3, 4)

0.925

4(3,5)

3 (3, 4)

0.387

Length of stay

9(7.25,11)

9 (8, 11)

0.552

9(8,12)

9(8,11)

0.384

  1. AR Anterior resection, LAR Low anterior resection, LCA Left colic artery, AL Anastomotic leakage
  2. *The Hartmann procedure was mandatorily performed due to intestinal malformation or marginal arch injury
  3. aForced to perform the Hartmann procedure and postoperative anastomotic leakage