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Table 3 Chikungunya self-reported symptoms × serological status in the community.

From: Estimating Chikungunya prevalence in La Réunion Island outbreak by serosurveys: Two methods for two critical times of the epidemic

Population-based survey, Reunion Island outbreak, August – October 2006 (post-epidemic era)

Symptoms

Negative serology

Positive serology *

Total

Arthralgia

111

(12.6)

770

(87.4)

881

Fever

92

(10.9)

753

(89.1)

845

Asthenia

89

(12.8)

605

(87.2)

694

Headache

69

(11.2)

545

(88.8)

614

Myalgia

68

(12.0)

497

(88.0)

565

Rash

41

(7.7)

493

(92.3)

534

Pruritus

36

(7.9)

421

(92.1)

457

Vomiting

31

(14.2)

188

(85.8)

219

Diarrhea

21

(13.5)

135

(86.5)

156

Depression

19

(13.2)

125

(86.8)

144

Fever and arthralgia

89

(13.0)

594

(87.0)

683

Total

118

(100)

805

(100)

923

  1. Data are numbers of persons questioned and (row) percentages. Positive Predictive value (PPV) *