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Table 4 Risk factors for postoperative complications

From: Rectal cancer surgery in older people does not increase postoperative complications - a retrospective analysis

 

Complications

Complications

P-value

No

Yes

Gender

  

0.920

 Female

17 (61)

11 (39)

 

 Male

16 (59)

11 (41)

 

UICC-criteria

  

0.114

 I

16 (76)

5 (24)

 

 II

5 (50)

5 (50)

 

 III

7 (50)

7 (50)

 

 IV

3 (50)

3 (50)

 

Preoperative therapy

  

0.591

 No therapy

24 (65)

13 (35)

 

 Chemo or radio/chemotherapy

4 (57)

3 (43)

 

 Radiotherapy

5 (45

6 (55)

 

Tumor localization

  

0.839

 Upper rectum (12 to 16 cm)

4 (57)

3 (43)

 

 Middle rectum (6 to 12 cm)

15 (60)

10 (40)

 

 Lower rectum (≤6 cm)

14 (63)

8 (36)

 

Operative access

  

0.024

 Open

24 (55)

20 (45)

 

 Laparoscopic

1 (33)

2 (67)

 

 Transanal

8 (100)

0

 

Operation technique

  

0.126

 Low anterior resection

14 (50)

14 (50)

 

 Rectum extirpation

3 (50)

3 (50)

 

 Intersphincteric resection

1 (100)

0

 

 Transanal endoscopic microsurgery

8 (100)

0

 

 Hartmann’s procedure

3 (43)

4 (57)

 

 Complete rectal resection

3 (75)

1 (25)

 

 Others

1 (100)

0

 

Anastomotic technique

  

0.354

 No anastomosis

12 (63)

7 (37)

 

 Staple

15 (52)

14 (48)

 

 Manual

5 (83)

1 (17)

 

Anastomotic form

  

0.500

 No anastomosis

12 (63)

7 (37)

 

 J-pouch

0

1 (100)

 

 End-to-side anastomosis

1 (33)

2 (67)

 

 End-to-end anastomosis

20 (63)

12 (37)

 

Stomas

  

0.645

 Colostoma

10 (56)

8 (44)

 

 Ileostoma

8 (53)

7 (47)

 

 None

15 (68)

7 (32)

 

Accessory surgery

  

0.253

 None

23 (66)

12 (34)

 

 Accessory surgery

10 (50)

10 (50)

 

Neurological diseases

  

0.033

 No

32 (65)

17 (35)

 

 Yes

1 (17)

5 (83)

 

Cardiovascular diseases

  

0.037

 No

15 (79)

4 (21)

 

 Yes

18 (50)

18 (50)

 

Diabetes mellitus

  

0.289

 No

26 (57)

20 (43)

 

 Yes

7 (78)

2 (22)

 

Pulmonary diseases

  

0.244

 No

27 (64)

15 (36)

 

 Yes

6 (46)

7 (54)

 

Smoker

  

0.760

 No

26 (60)

17 (40)

 

 Yes

1 (33)

2 (67)

 

 No longer

6 (67)

3 (33)

 
  1. Values are given as numbers and absolute frequencies (%).