Table 2 Characteristics of resection, stoma, and stent groups

Tumour location

0.094

 Splenic flexure colon

11 (19)

5 (22)

2 (10)

 Descending colon

7 (12)

7 (30)

2 (10)

 Sigmoid colon

39 (68)

10 (44)

15 (75)

 Rectosigmoid colon

0 (0)

1 (4)

1 (5)

Number of operations

1.1 ± 0.4

2.5 ± 0.5

2.0 ± 0.2

<0.001^a

Time between the first surgery and resection (days)

37.2 ± 25.8

40.7 ± 52.4

Tumour stage

0.084

 pT1

0 (0)

0 (0)

0 (0)

 pT2

4 (7)

0 (0)

1 (5)

 pT3

43 (75)

14 (61)

11 (55)

 pT4

10 (18)

9 (39)

8 (40)

Lymph node(LN) mean number

8.7 ± 7.9

21 ± 17.4

21 ± 16.1

<0.001^b

<0.001^c

 LN ≤12

40 (70)

7 (30)

7 (35)

 LN >12

12 (23)

16 (70)

13 (65)

 Missing data

5 (7)

0 (0)

0 (0)

Number of patients with metastatic LN (total: N1:N2)

25; 15:10

11; 4:7

11; 5:6

0.606

 Missing data

0

2

0

0.773

 R0

55 (96)

23 (100)

19 (95)

 R1

2 (4)

0 (0)

1 (5)

Number of patients with adjuvant therapy

0.024^d

 Yes

8 (14)

10 (43)

4 (20)

 No

48 (84)

13 (57)

15 (75)

 Missing data

1 (2)

0 (0)

1 (5)

 Total

14.9 ± 8.1

24.1 ± 14.0

14.3 ± 6.8

0.001^e

 First operation

13.1 ± 7.6

11.5 ± 7.9

7.5 ± 4.7

0.014^f

Surgeon level

0.001^g

 Surgical trainee

1 (2)

0 (0)

0 (0)

 Specialist in general surgery

29 (51)

0 (0)

1 (5)

 Specialisation in colorectal surgery

27 (47)

23 (100)

19 (95)