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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) *