Table 2 Perioperative outcomes of surgery

EXAI vs. EXSI

EXSI vs. EVER

EXAI vs. EVER

Mean/SD

Mean/SD

Mean/SD

F

P

P

P

P

Primary surgery

Operative time, min

217.6 ± 53.7

184.0 ± 53.9

197.0 ± 54.0

10.2

< 0.001

< 0.001

0.173

0.032

Bleeding volume, ml

89.4 ± 96.6

52.4 ± 53.5

39.8 ± 27.0

10.5

< 0.001

< 0.001

0.321

< 0.001

Length of abdominal incision, cm

7.4 ± 1.6

1.5 ± 0.8

1.2 ± 0

851.9

< 0.001

< 0.001

0.150

< 0.001

Time to first flatus, d

3.1 ± 1.0

2.5 ± 0.9

2.4 ± 0.7

11.3

< 0.001

< 0.001

0.522

< 0.001

Time to first defecation, d

3.7 ± 1.1

3.2 ± 1.0

2.9 ± 0.9

10.2

< 0.001

0.002

0.095

< 0.001

Time to first eat, d

3.6 ± 1.8

2.8 ± 1.9

2.3 ± 0.9

10.3

< 0.001

0.001

0.124

< 0.001

Time to remove urinary catheter, d

6.0 ± 1.1

4.0 ± 1.3

5.4 ± 0.9

77.7

< 0.001

< 0.001

< 0.001

0.003

Postoperative hospital stays, d

8.6 ± 2.5

7.6 ± 2.7

7.4 ± 1.8

5.4

0.005

0.005

0.729

0.010

Interval to loop ileostomy closure, d

274.7 ± 137.6

243.8 ± 126.4

213.2 ± 91.5

4.1

0.018

0.078

0.170

0.006

Loop ileostomy closure

Operative time, min

97.7 ± 30.3

82.5 ± 24.7

83.6 ± 39.4

7.8

0.001

< 0.001

0.830

0.009

Bleeding volume, ml

29.5 ± 18.0

21.2 ± 16.5

22.8 ± 22.8

5.7

0.004

0.001

0.607

0.042

Length of stoma incision, cm

8.0 ± 1.6

6.6 ± 1.5

7.4 ± 2.0

17.8

< 0.001

< 0.001

0.011

0.037

Time to first flatus, d

3.0 ± 1.4

3.0 ± 0.8

3.0 ± 1.1

0.1

0.924

0.723

0.981

0.762

Time to first defecation, d

3.6 ± 1.5

3.5 ± 0.8

3.7 ± 1.2

0.3

0.759

0.817

0.460

0.577

Time to first eat, d

2.9 ± 1.6

2.7 ± 0.7

2.7 ± 1.1

1.3

0.279

0.112

0.620

0.452

Time to remove urinary catheter, d

3.9 ± 1.1

3.7 ± 1.0

4.2 ± 1.1

3.6

0.028

0.206

0.008

0.093

Postoperative hospital stays, d

7.0 ± 2.5

5.8 ± 1.7

6.1 ± 2.2

8.7

< 0.001

< 0.001

0.396

0.020