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Table 4 Univariate and multivariate logistic regression analysis of warning signs of human brucellosis complications

From: Incidence and warning signs for complications of human brucellosis: a multi-center observational study from China

Variables

Univariate analysis

Multivariate analysisa

Wald χ2

OR

OR (95% CIs)

P value

Wald χ2

OR

OR (95% CIs)

P value

Days from onset to diagnosis

29.142

-

-

< 0.001

19.418

-

-

< 0.001

 0–7

-

-

1 (reference)

-

-

-

1 (reference)

-

 8–30

3.166

1.388

0.967–1.992

0.075

4.282

1.610

1.025–2.527

0.039

 31–90

15.233

2.298

1.513–3.489

< 0.001

12.217

2.551

1.509–4.314

0.001

 > 90

10.877

3.851

2.129–6.967

< 0.001

13.601

3.963

1.906–8.238

< 0.001

Underlying disease

15.219

1.758

1.324–2.335

< 0.001

8.180

1.675

1.176–2.384

0.004

Arthralgia

41.655

3.520

2.402–5.159

< 0.001

22.869

3.197

1.986–5.148

< 0.001

Myalgia

3.132

0.766

0.570–1.029

0.077

5.914

0.627

0.431–0.913

0.015

Eye bulging pain

8.453

3.236

1.466–7.14

0.004

6.649

3.482

1.349–8.988

0.001

CRP > 10 mg/L

24.144

2.024

1.528–2.681

< 0.001

11.316

1.910

1.310–2.784

0.001

ESR elevation

22.854

2.029

1.518–2.712

< 0.001

7.147

1.663

1.145–2.415

0.008

Culture positive

12.037

0.449

0.285–0.706

0.001

5.060

0.516

0.290–0.918

0.025

SAT ≥ 400

6.213

0.710

0.542–0.929

0.013

13.209

0.529

0.376–0.746

< 0.001

Age < 60 years

6.772

0.637

0.454–0.895

0.009

-

-

-

-

Nationality, Han

6.039

1.436

1.076–1.917

0.014

-

-

-

-

Education

5.959

-

-

0.051

    

 Primary or below

-

-

1 (reference)

-

-

-

-

-

 Junior high school

5.942

0.699

0.524–0.932

0.015

-

-

-

-

 High school or above

0.975

0.806

0.525–1.237

0.324

-

-

-

-

Fatigue

7.912

0.652

0.484–0.878

0.005

-

-

-

-

Inappetence

4.819

1.365

1.034–1.802

0.028

-

-

-

-

Nausea

6.244

1.780

1.132–2.798

0.013

-

-

-

-

Orchialgia

16.750

7.113

2.780–18.202

< 0.001

-

-

-

-

Anemia

4.479

1.536

1.032–2.286

0.034

-

-

-

-

Weight loss

0.068

1.309

0.980–1.748

0.068

-

-

-

-

  1. CRP C-reactive protein, ESR Erythrocyte sedimentation rate, SAT Standard tube agglutination test, - Not appliable. aThe final model was established through model evaluation and model diagnosis. Variables without statistical significance were excluded
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Infectious Diseases of Poverty

ISSN: 2049-9957

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