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Table 4 Multinomial analysis of the association between antibody response pattern, serotype and severity of dengue disease as outcome

From: Dengue-specific serotype related to clinical severity during the 2012/2013 epidemic in centre of Brazil

Parameters

Dengue Fever

Dengue with Warning Signs

Severe Dengue

N = 188 (%)

N = 238 (%)

OR (95% CI)

P-value

N = 26 (%)

OR (95% CI)

P-value

Gender

 Female

78 (41.5)

143 (60.1)

2.12 (1.44–3.13)

0.000

14 (53.8)

1.64 (0.72–3.75)

0.236

Age group (years)

  < 15

12 (6.4)

27 (11.3)

Reference

3 (11.5)

Reference

  ≥ 15

176 (93.6)

211 (88.7)

0.53 (0.26–1.08)

0.082

23 (88.5)

0.52 (0.14–1.99)

0.342

Comorbidity

46 (24.5)

60 (25.2)

1.04 (0.67–1.62)

0.860

9 (34.6)

1.63 (0.68–3.92)

0.271

Antibody response patterna

 Primary

53 (28.2)

62 (26.1)

Reference

3 (11.5)

Reference

 Secondary

121 (64.4)

146 (61.3)

1.03 (0.66–1.60)

0.890

18 (69.2)

2.63 (0.74–9.30)

0.134

Serotypeb

 DENV-1

35 (19.7)

47 (19.7)

Reference

9 (34.6)

NA

 DENV-4

63 (35.4)

72 (30.3)

0.85 (0.49–1.48)

0.568

0

NA

  1. Reference for the multinomial analysis: dengue fever
  2. NA Not applicable
  3. a49 patients not evaluated
  4. bSerotypes determined by reverse-transcription polymerase chain reaction (RT-PCR) and 226 patients not evaluated