Table 3 Univariate and Multivariate analysis in the training set

Gender

 Male

1.654

1.143–2.388

0.0073

1.607

1.066–2.416

0.023

 Female

Reference

Reference

Age

 0 to 18 years

Reference

Reference

 18 to 60 years

3.712

1.529–11.108

0.008

2.825

1.119–8.679

0.043

 Over 60 years

4.765

2.015–14.035

0.001

4.100

1.678–12.343

0.005

Diabetes mellitus

 Yes

0.884

0.610–1.274

0.513

 No

Reference

Chronic renal failure

 Yes

0.886

0.529–1.446

0.637

 No

Reference

Immunodeficiency

 Yes

1.829

0.914–3.606

0.082

1.671

0.770–3.579

0.187

 No

Reference

Reference

Neoplasia

 Yes

1.444

0.875–2.351

0.143

 No

Reference

Recurrent urinary tract infections

 Yes

2.181

1.398–3.396

 < 0.001

1.145

0.645–2.011

0.639

 No

Reference

Reference

Severe underlying disease

 Yes

2.294

1.295–4.058

0.004

1.536

0.805–2.907

0.188

 No

Reference

Reference

Admission times

 1 to 2 times

Reference

 3 to 6 times

1.047

0.664–1.627

0.841

 More than 6 times

1.380

0.719–2.580

0.320

Hospital stay in preceding 3 months

 Yes

3.067

2.152–4.389

 < 0.001

1.872

1.141–3.067

0.013

 No

Reference

Reference

Medical department

 Yes

1.516

1.052–2.179

0.025

0.799

0.498–1.266

0.344

 No

Reference

Reference

Surgical department

 Yes

1.751

1.145–2.663

0.009

0.943

0.572–1.533

0.816

 No

Reference

Reference

Intensive Care Unit (ICU)

 Yes

3.737

0.907–18.370

0.073

1.693

0.346–9.816

0.524

 No

Reference

Reference

Invasive urological procedure

 Yes

2.792

1.945–4.017

 < 0.001

1.810

1.197–2.729

0.005

 No

Reference

Reference

Antibiotic use in the past 3 months

 Yes

3.231

2.179–4.807

 < 0.001

1.833

1.055- 3.188

0.031

 No

Reference

Reference