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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