Table 3 Univariate analysis of preoperative risk factors for permanent stoma in a group of ileostomy patients (group A)

Sex

Female

33.7% (N = 34)

21.1% (N = 8)

41.3% (N = 26)

Chi-square

0.0621

Male

66.3% (N = 67)

78.9% (N = 30)

58.7% (N = 37)

Age

N

101

38

63

Mann-Whitney U

0.5722

Mean (SD)

61.98 (10.6)

61.61 (10.39)

62.21 (10.81)

Median (IQR)

61 (55–71)

60 (55–71.75)

62 (56.5–69)

Range

29–83

40–82

29–83

Age ≥ 65

Yes

41.6% (N = 42)

36.8% (N = 14)

44.4% (N = 28)

Chi-square

0.5874

No

58.4% (N = 59)

63.2% (N = 24)

55.6% (N = 35)

BMI

N

101

38

63

Mann-Whitney U

0.4241

Mean (SD)

26.86 (4.41)

26.61 (4.75)

27.02 (4.23)

Median (IQR)

26 (23.8–29.7)

25.75 (23.1–29.38)

26.1 (24.2–29.75)

Range

18.4–42.6

18.4–38.7

19.4–42.6

BMI ≥ 30

Yes

23.8% (N = 24)

23.7% (N = 9)

23.8% (N = 15)

Chi-square

1

No

76.2% (N = 77)

76.3% (N = 29)

76.2% (N = 48)

BSA

N

101

38

63

Mann-Whitney U

0.3732

Mean (SD)

1.87 (0.22)

1.9 (0.24)

1.86 (0.21)

Median (IQR)

1.88 (1.71–2.04)

1.9 (1.7–2.08)

1.85 (1.72–1.99)

Range

1.32 – 2.42

1.4 – 2.42

1.32 – 2.38

CAD

Yes

6.9% (N = 7)

10.5% (N = 4)

4.8% (N = 3)

Fisher

0.4206

No

93.1% (N = 94)

89.5% (N = 34)

95.2% (N = 60)

HA

Yes

37.6% (N = 38)

39.5% (N = 15)

36.5% (N = 23)

Chi-square

0.9314

No

62.4% (N = 63)

60.5% (N = 23)

63.5% (N = 40)

DM

Yes

12.9% (N = 13)

15.8% (N = 6)

11.1% (N = 7)

Chi-square

0.7088

No

87.1% (N = 88)

84.2% (N = 32)

88.9% (N = 56)

CCI

0

69.3% (N = 70)

52.6%(N = 20)

79.4% (N = 50)

Fisher

< 0.001

1–5

23.8% (N = 24)

28.9% (N = 11)

20.6% (N = 13)

> 5

6.9% (N = 7)

18.4% (N = 7)

0% (N = 0)

Clinical stage

IV

6.9% (N = 7)

18.4% (N = 7)

0% (N = 0)

Fisher

< 0.001

I–III

93.1% (N = 94)

81.6%(N = 31)

100% (N = 63)

Time RT-OPER

No RT

20.8% (N = 21)

18.4% (N = 7)

22.2% (N = 14)

Chi-square

0.374

≥ 6 weeks

50.5% (N = 51)

44.7% (N = 17)

54% (N = 34)

< 6 weeks

28.7% (N = 29)

36.8% (N = 14)

23.8% (N = 15)

FIBR

N

100

38

63

Mann-Whitney U

0.0073

Mean (SD)

364.4 (88.05)

400.08 (116.1)

342.53 (55.93)

Median (IQR)

351 (301.75–419.25)

410.5 (301.5–467.75)

341 (303.75–375)

Range

212–721

212–721

242–491

NLR

N

101

38

63

Mann-Whitney U

0.2119

Mean (SD)

3.88 (2.06)

4.33 (2.45)

3.61 (1.75)

Median (IQR)

3.3 (2.5–5.1)

3.5 (2.6–5.8)

3.1 (2.45–4.45)

Range

1–12.2

1–12.2

1 – 9.9

PLR

N

101

38

63

Mann-Whitney U

0.8499

Mean (SD)

262.2 (141.13)

269.6 (174.16)

257.73 (118.2)

Median (IQR)

232.9 (161.9–337.9)

244.45 (143.93–351.9)

232.9 (164.25–335.15)

Range

49.3–918.8

49.3–918.8

74.2–509.5

PNI

N

101

38

63

Mann-Whitney U

0.1567

Mean (SD)

41.41 (4.14)

40.41 (4.74)

42.01 (3.63)

Median (IQR)

41.7 (39.8–43.7)

41.7 (38.52–43.12)

41.7 (39.9–44.15)

Range

18.4–51

18.4–47.9

28.3–51