Table 5 Multivariable logistic regression analysis results for identifying factors associated with POI at hospitals in Bahir Dar, Ethiopia

Age (years)

15–30

12

98

1

1

31–45

8

24

2.72 (1.00, 7.39)

2.21 (0.74, 6.74)

46–60

5

47

0.86 (0.28, 2.60)

0.83 (0.25, 2.77)

> 60

16

41

3.18 (1.38, 7.32)

3.83 (1.40, 10.35)*

Sex

Male

28

143

1

1

Female

13

68

0.97 (0.47, 2.00)

0.39 (0.15, 0.97)*

BMI (kg/m²)

< 18.5

5

8

4.66 (1.34, 16.18)

11.54 (1.97, 67.55)**

18.5–24.9

32

179

1

1

> 25

4

24

0.89 (0.29, 2.74)

2.27 (0.60, 8.54)

Perioperative narcotic use

Yes

4

41

0.44(0.15, 1.32)

0.36 (0.10, 1.33)

No

37

17

1

1

History of previous abdominal surgery

Yes

8

25

1.79 (0.74, 4.31)

1.63 (0.55, 4.82)

No

33

185

1

1

Presence of abdominal contamination

Yes

13

17

5.62 (2.44, 12.93)

4.16 (0.55, 11.19)

No

28

194

1

1

Clavien–Dindo score

No complication/I/II

28

142

1

1

> II

13

69

0.95 (0.46, 1.95)

0.93 (0.39, 2.23)

Time of initiation of feeding

< 24 h

8

111

1

1

≥ 24 h

33

100

4.57 (2.02, 10.37)

3.36 (0.81, 11.24)

Urgency of surgery

Elective

18

88

1

Emergency

23

123

0.91 (0.46, 1.79)

1.06 (0.58, 1.82)

Type of surgery

Intestinal

34

121

3.61 (1.53, 8.52)

3.27 (1.01, 11.77)*

Non-intestinal

7

90

1

1