Table 5 Logistic regression models predicting sepsis in the whole cohort (OR; p value [95%CI]).

From: Hounsfield unit attenuation value can differentiate pyonephrosis from hydronephrosis and predict septic complications in patients with obstructive uropathy

UVA model

MVA model

OR, p value

95% CI

OR, p value

95% CI

Age

1.12, 0.31

0.97–1.12

  

BMI

1.01, 0.83

0.91–1.16

  

Female gender

4.01, ≤ 0.01

1.70–9.23

  

CCI ≥ 1

2.69, 0.01

1.11–6.34

2.81, 0.01

1.12–9.49

Aetiology

    

 Stone

Ref

Ref

  

 Urothelial tumours

1.10, 0.82

0.36–3.48

  

 Other

2.23, 0.31

0.42–9.89

  

Grade III–IV

1.57, 0.32

0.71–3.57

  

Vs. grade II hydronephrosis

    

Perirenal fat stranding

1.50, 0.48

0.51–4.29

  

Max body temperature

2.21, ≤ 0.001

1.41–4.12

  

WBC ≥ 15 × 103/mmc

2.82, 0.01

1.11–6.41

2.87, ≤ 0.001

1.33–4.67

C-reactive protein

1.13, ≤ 0.001

1.06–1.43

  

Serum creatinine

1.09, 0.72

0.81–1.38

  

HU ≥ 7.3

9.37, ≤ 0.001

3.71–15.40

7.35, ≤ 0.001

2.56–16.78

  1. UVA, univariate model; MVA, multivariate model; BMI, body mass index; CCI, Charlson Comorbidity Inex; WBC, white blood cells; HU, hounsfield unit.
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