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Table 4 Univariate and Multivariate logistic regression analysis for risk factors of DHF

From: Clinico-laboratory spectrum of dengue viral infection and risk factors associated with dengue hemorrhagic fever: a retrospective study

Variables

Univariate analysis

Multivariate analysis

P-value

OR

95 % CI

P-value

OR

95 % CI

Age > 40 years

0.005

2.0

1.23 – 3.31

<0.001

4.1

2.12 – 5.71

Secondary Infection

0.017

2.1

1.15 – 3.90

0.042

2.7

1.64 – 3.91

Diabetes mellitus

0.020

3.9

1.34 – 4.21

0.041

2.8

1.35 – 4.67

Hypertension

0.047

3.7

1.33 – 3.11

0.211

2.3

2.45 – 7.45

Skin rash

0.150

1.8

1.12 – 2.90

0.346

2.6

1.88 – 4.78

Lethargy

0.023

2.2

0.81 – 3.10

0.005

3.1

1.89 – 5.11

Retro-orbital Pain

0.604

1.2

0.68 – 1.93

-

-

-

Rigors

0.061

1.7

1.03 – 2.79

0.062

2.2

0.98 – 3.78

Thick gallbladder

0.007

6.2

1.63 – 23.67

0.029

1.7

0.78 – 2.12

Delayed hospitalization

0.008

2.7

1.88 – 4.11

0.037

2.3

1.34 – 2.89

  1. Variables with P < 0.25 (retro-orbital pain) were excluded from multivariate analysis
  2. Odds ratio (OR) and Confidence interval (CI) have been rounded off
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BMC Infectious Diseases

ISSN: 1471-2334

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