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Table 2 Proportion of cases with dengue fever and with severe dengue among patients diagnosed with different dengue serotypes

From: Serotype influences on dengue severity: a cross-sectional study on 485 confirmed dengue cases in Vitória, Brazil

 

Dengue fever

Severe dengue

Study population

P-value

Sample size (%)

453 (100)

32 (100)

485 (100)

N.A.

 Proportion (%)

(93.4)

(6.6)

(100)

N.A.

DENV-1 (%)

358 (79.0)

17 (53.1)

375 (77.3)

<0.01a

 Proportion (%)

(95.5)

(4.5)

(100)

N.A.

DENV-2 (%)

21 (4.6)

10 (31.3)

31 (6.4)

<0.01a

 Proportion (%)

(67.7)

(32.3)

(100)

N.A.

DENV-3 (%)

1 (0.2)

0

1 (0.2)

1.00b

DENV-4 (%)

73 (16.1)

5 (15.6)

78 (16.1)

0.94a

 Proportion (%)

(93.6)

(6.4)

(100)

N.A.

  1. aPearson chi-square test; bFisher’s exact chi-square test