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Table 4 Factors associated with surgical site infection among patients who underwent major abdominal surgery at MNRH during the study period

From: Elevated serum lactate as a predictor of outcomes in patients following major abdominal surgery at a tertiary hospital in Uganda

Characteristic

Univariate

Multivariate

cOR

95% CI

p-value

aOR

95% CI

p-value

Age

      

  < 18 years

1

     

  ≥ 18 years

2.70

1.94–3.75

 < 0.001

1.41

0.58–3.45

0.455

Type of surgery

      

 Elective

1

     

 Emergency

2.51

1.88–3.36

 < 0.001

1.33

0.55–3.21

0.521

ASA status

      

 I

1

     

 II

0.78

0.44–1.26

0.675

0.79

0.74–2.14

0.389

 III

1.42

0.95–4.55

0.080

1.10

0.23–1.98

0.078

 IV

3.64

1.59–7.65

0.042

2.60

0.81–3.78

0.090

Duration between diagnosis and surgery (days)

      

 Within 1 day

1

     

 Longer than a day

3.23

2.05–5.07

 < 0.001

1.69

0.57–4.99

0.345

Duration of surgery (hours)

      

  ≤ 1.5

1

     

  > 1.5

2.98

1.93–4.60

 < 0.001

1.63

0.63–4.35

0.307

Pre-surgery treatment

      

 Yes

1

     

 No

4.65

2.91–7.44

 < 0.001

6.20

1.12–4.26

0.036

Intra operative care (litres)

      

  ≤ 1

1

     

  > 1

0.37

0.25–0.58

 < 0.001

0.81

0.18–3.58

0.780

Comorbidities

      

 No

1

     

 Yes

1.13

1.09–1.17

 < 0.001

1.01

0.84 -1.22

0.894

Organs involved

      

 One organ

1

     

 More than one organ

3.35

1.16–5.46

 < 0.001

1.02

0.81–1.28

0.873

Serum lactate

      

 Normal (≤ 2.0 mmol/L)

1

     

 High (> 2.0 mmol/L)

2.87

1.99–4.13

 < 0.001

1.25

1.11–3.70

0.008

  1. The bold was indicative of the statistically significant p values of different variables
  2. SSI n = 36; 14.6%
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