Table 4 Factors associated with management outcome of surgically managed IO patients in WURH (n = 196)

Having dowel resection & anastomosis

Yes

100(70.4%)

42 (29.6)

0.177(0.089,0.351)

0.000*

0.234(0.101,0.544)

0.001**

No

16 (29.6)

38 (70.4)

Ref

Ref

Ref

ref

Intraoperative bowel condition

Viable

95(65.5%)

50(34.5%)

2.714(1.411–5.222

0.003*

2.372(1.088–5.175)

0.030**

Gangrenous

21(41.2%)

30(58.8%)

Ref

Ref

Ref

Ref

Duration of illness

<=48 h

63(71.6%)

25(28.4%)

2.615(1.439–4.753)

0.002*

3.045(1.399–6.629)

0.005**

> 48 h

53(49.1%)

55(50.9%)

Ref

Ref

Ref

ref

Fever

Yes

20(42.6%)

27(57.4%)

Ref

Ref

Ref

Ref

No

96(64.4%)

53(35.6%)

2.445(1.253,4.771)

0.009*

2.636 (1.124–6.18)

0.026**

Kinds of IO

SBO

49(48.0%)

53(52.0%)

2.684(1.485,4.852)

0.001*

(1.157,0.5232.562)

0.719

LBO

67(71.3%)

27(28.7%)

Ref

Ref

Ref

Ref

Antibiotics given

Yes

113(59.8%)

76(40.2%)

Ref

ref

Ref

ref

No

3(42.9%)

4(57.1%)

1.982(0.431,9.109)

0.379

Types of antibiotics given

ceftraxone + metrindazole

74(61.7%)

46(38.3%)

Ref

ref

Ref

ref

ceftraxone only

39(54.9%)

32(45.1%)

1.320(0.728,2.393)

0.360

Not given

3(60.0%)

2(40.0%)

1.072(0.173,6.663)

0.940

Previous abdominal or pelvic operation

Yes

16(59.3%)

11(40.7%)

0.996(0.436,2.277)

0.993

No

100(59.2%)

69(40.8%)

Ref

ref

The patient had Chronic illness

Yes

18(66.7%)

9(33.3%)

0.690(0.2931.625)

0.396

No

98(58.0%)

71(42.0%)

Ref

ref

Occupation of the patient

Farmer

66(52.4%)

60(47.6%)

Ref

ref

Ref

ref

Government employ

17(81.0%)

4(19.0%)

0.259(0.082.812)

0.021*

0.194(0.021–1.791)

0.148

Self employed

19(79.2%)

5(20.8%)

0.289(0.102.823)

0.020*

0.232(0.035–1.543)

0.131

Student

6(46.2%)

7(53.8%)

1.283(0.4084.033)

0.669

1.272(0.147–11.038)

0.827

Others

8(66.7%)

4(33.3%)

0.550(0.1581.920)

0.349

0.790(0.101–6.201)

0.822

Residence

Rural

85 (56.3%)

66(43.7%)

1.719(0.847,3.491)

0.134*

0.587(0.085–4.074)

0.590

Urban

31(68.9%)

14(31.1%)

Ref

ref

Ref

Ref

Sex of the patient

Male

73(53.3%)

64(46.7%)

2.356(1.2124.581)

0.012*

3.694(1.501–9.089)

0.004**

Female

43(72.9%)

16(27.1%)

Ref

ref

Ref

Ref