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Table 2 Multivariate analysis of variables associated with K. pneumoniae infections

From: Clinical and microbiological characteristics of nosocomial, healthcare-associated, and community-acquired Klebsiella pneumoniae infections in Guangzhou, China

variable

Univariate OR (95% CI)

P-value

Mutivariate OR (95% CI)

P-value

Nosocomial versus HCA

    

  ≤ 1

6.160 (2.668–14.224)

0.000

5.665 (2.277–14.092)

0.000

 2–10

7.040 (2.203–22.497)

0.001

5.332 (1.506–18.870)

0.009

 11–18

24.640 (2.894–209.815)

0.003

18.772 (2.09–168.583)

0.009

 19–59

1.384 (0.766–2.502)

0.282

1.308 (0.699–2.445)

0.401

 Diabetes mellitus

0.037 (0.187–0.948)

0.037

0.609 (0.249–1.487)

0.276

 Hematological malignancy

2.425 (1.287–4.570)

0.006

1.882 (0.686–5.166)

0.220

 Brain tumor

3.052 (1.124–8.284)

0.029

3.411 (1.139–10.215)

0.028

 Cerebral vascular disease

0.525 (0.273–1.009)

0.053

0.841 (0.395–1.792)

0.654

 Hypertension

0.528 (0.294–0.949)

0.033

1.189 (0.592–2.391)

0.626

 Immunosuppression

1.653 (0.941–2.904)

0.081

0.912 (0.37–2.249)

0.912

Nosocomial versus CA

    

  ≤ 1

5.040 (1.660–15.299)

0.004

4.456 (1.405–14.135)

0.011

 2–10

12.000 (1.436–100.278)

0.022

4.727 (0.494–45.221)

0.178

 11–18

4.800 (0.933–24.692)

0.061

1.981 (0.327–12.001)

0.457

 19–59

0.850 (0.427–1.693)

0.644

0.671 (0.312–1.442)

0.307

 Diabetes mellitus

0.230 (0.097–0.544)

0.001

0.342 (0.129–0.906)

0.031

 Hematological malignancy

9.475 (2.747–32.681)

0.000

4.467 (0.933–21.395)

0.061

 Brain tumor

4.773 (1.016–22.427)

0.048

7.865 (1.554–39.817)

0.013

 Immunosuppression

5.604 (2.197–14.291)

0.000

2.762 (0.807–9.461)

0.106

HCA versus CA

    

 Diabetes mellitus

0.546 (0.300–0.993)

0.047

0.554 (0.288–1.067)

0.077

 Hematological malignancy

3.700 (1.080–12.674)

0.037

2.62 (0.664–10.344)

0.169

 Cerebral vascular disease

2.414 (1.156–5.041)

0.019

2.486 (1.154–5.356)

0.02

 Hypertension

1.848 (1.003–3.404)

0.049

2.08 (1.065–4.061)

0.032

 Immunosuppression

3.227 (1.309–7.954)

0.011

2.661 (0.971–7.297)

0.057

  1. Bold values suggest statistical significance