Table 2 Comparison of short-term outcomes among emergency surgery, self-expandable metal stents, and stratified time intervals of stents

Laparoscopic approach

5 (3.8)

82 (32.3)

 < 0.001

16 (23.5)

39 (40.2)

27 (49.1)

0.06

0.62

0.003

Stoma formation

10 (7.5)

12 (5.5)

0.44

3 (4.4)

1 (1.0)

8 (14.6)

0.61

0.003

0.06

Operation time, min

152 (126, 200)

144 (115, 191)

0.19

144 (100, 250)

142 (113, 180)

149 (117, 221)

0.98

0.66

0.21

Estimated blood loss, ml

150 (100, 250)

100 (50, 150)

 < 0.001

100 (50, 200)

100 (50, 100)

100 (50, 200)

0.20

0.49

0.98

Harvested LN, number

24 (16, 31)

26 (20, 34)

0.039

26 (19, 34)

26 (22, 33)

24 (19, 34)

0.90

0.68

0.53

Positive LN, number

1 (0, 2)

1 (0, 2)

0.30

1 (0, 3)

1 (0, 2)

1 (0, 2)

0.96

0.93

0.24

Surgery-related complication,

 < 90 days

12 (9.0)

9 (4.1)

0.06

4 (5.9)

3 (3.1)

2 (3.6)

0.90

0.99

0.69

Major adverse event (≥ CD G3)

18 (13.5)

18 (8.2)

0.11

4 (5.9)

8 (8.3)

6 (10.9)

0.99

0.99

0.34

 Leakage

0

3

0

2

1

 Dehiscence

3

2

2

0

0

 Wound infection

3

0

0

0

0

 Abscess

2

1

0

1

0

 Fistula

1

1

0

1

0

 Adhesive ileus

2

3

0

1

2

 Ureter stricture

5

7

2

2

3

 Stenosis

1

0

0

0

0

 Hernia

0

1

0

1

0

 Ischemia

1

0

0

0

0

Hospital days^†

12 (10, 16)

9 (7, 15)

 < 0.001

15 (10, 18)

8 (7, 10)

10 (8, 13)

 < 0.001

0.10

0.34

Adjuvant chemotherapy

95 (71.4)

128 (58.2)

0.012

47 (69.1)

57 (58.8)

24 (43.6)

0.39

0.18

0.004