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Table 1 Patients’ characteristics and comparison between the POI (+) group and POI (−) group

From: Risk factors for postoperative ileus after diverting loop ileostomy closure

 

Total (n = 68)

POI (+) (n = 11)

POI (−) (n = 57)

p value

Age (years)

64.4 ± 10.0

69.5 ± 7.7

63.4 ± 10.3

0.065

Sex (Male/Female)

48/20

9/2

39/18

0.487

ASA-PS (I/II/III)

24/37/7

3/6/2

21/31/5

0.636

BMI

22.7 ± 3.4

23.0 ± 2.3

22.6 ± 3.6

0.735

Cancer

 Rotation (Rs/Ra/Rb)

17/20/31

14/24/19

3/1/7

0.235

 Stage (0/I/II/III/IV/X/others)

1/27/17/15/5/1/2

1/6/2/0/1/0/1

0/21/15/15/4/1/1

0.068

Index surgery

 Laparoscopic operative procedure (AR/ISR/TC/TAMIS)

45/20/2/1

6/3/1/1

39/17/1/0

0.113

 TaTME

36 (52.9%)

6 (54%)

30 (52.6%)

1.000

 LLND

15 (22.1%)

2 (18.2%)

13 (22.8%)

1.000

 Operating time (min)

352.6 ± 116.4

383.7 ± 144.4

346.6 ± 111,8

0.341

 Blood loss (ml)

61.4 ± 75.9

69.9 ± 63.2

60.0 ± 79.2

0.726

 Complication (Clavien–Dindo grade ≥ III)

5 (7.4%)

3 (27.3%)

2 (3.5%)

0.022

  Ileus

2 (2.9%)

1 (9.1%)

1 (1.8%)

0.299

  Anastomotic stenosis

2 (2.9%)

1 (9.1%)

1 (1.8%)

0.299

  Neurogenic bladder

1 (1.5%)

1 (9.1%)

0 (0%)

0.169

Neoadjuvant radiotherapy

4 (5.9%)

1 (9.1%)

3 (5.3%)

0.515

Neoadjuvant chemotherapy (Yes/No)

15 (22.1%)

1 (9.1%)

14 (24.6%)

0.433

Adjuvant chemotherapy (Yes/No)

20 (29.4%)

0 (0%)

20 (35.1%)

0.026

Interval between the index surgery and ileostomy closure (days)

183.5 ± 125.3

143.9 ± 28.8

192.8 ± 135.5

0.165

Ileostomy closure

 Anastomosis (end-to-end/side-to-side)

62/6

11/0

51/6

0.579

 Skin closure (purse string/linear)

64/4

11/0

53/4

1.000

 Operating time (min)

94.0 ± 24.3

98.7 ± 14.1

93.1 ± 26.0

0.488

 Blood loss (ml)

12.3 ± 22.1

6.4 ± 8.7

13.5 ± 23.8

0.334

 Complication

16 (22.1%)

   

 Ileus

11 (16.2%)

11 (100%)

NA

NA

  Clavien–Dindo grade I

2 (18.2%)

2 (18.2%)

NA

NA

  Clavien–Dindo grade II

3 (27.3%)

3 (27.3%)

NA

NA

  Clavien–Dindo grade IIIa

5 (45.4%)

5 (45.4%)

NA

NA

  Clavien–Dindo grade IIIb

1 (9.1%)

1 (9.1%)

NA

NA

  Duration of treatment (days)

7.9 ± 4.5

7.9 ± 4.5

NA

NA

 Other

5 (7.4%)

1 (9.1%)

4 (7.0%)

0.813

Food intake after surgery (days)

6.5 ± 5.2

12.4 ± 5.0

5.4 ± 4.5

> 0.001

Hosptal stay after surgery (days)

11.9 ± 4.2

18.5 ± 5.6

10.6 ± 2.5

> 0.001

  1. ASA-PS American Society of Anesthesiologists physical status, BMI body mass index, Rs Rectosigmoid, Ra rectum above the peritoneal reflection, Rb rectum below the peritoneal reflection, AR anterior resection, ISR intersphincteric resection, TC total colectomy, TAMIS transanal minimally invasive surgery, TaTME transanal total mesorectal excision, LLND lateral lymph node dissection