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Table 2 Crude weighted rates and prevalence ratios of self-reported symptoms/CHIKV status, TELECHIK survey, La Réunion Island population, November 2007 to May 2008

From: Perceived morbidity and community burden after a Chikungunya outbreak: the TELECHIK survey, a population-based cohort study

Symptoms (%) Seronegative (CHIK-), % Seropositive (CHIK+), % Crude prevalence ratio 95% CI Pvalue
Musculoskeletal pain 17.1 42.8 2.5 1.9 to 3.1 <0.001
Fatigue 46.4 53.6 1.1 1.0 to 1.3 0.04
Light cerebral disorders 57.0 75.3 1.3 1.1 to 1.5 <0.001
Headache 20.0 25.9 1.3 1.0 to 1.7 0.05
Sleep disorders 24.1 31.2 1.3 1.0 to 1.7 0.02
Memory troubles 25.4 42.2 1.7 1.3 to 2.0 <0.001
Attention difficulties 19.9 37.1 1.9 1.4 to 2.3 <0.001
Mood disturbance 23.7 38.4 1.6 1.3 to 2.0 <0.001
Depression 8.0 14.7 1.8 1.2 to 2.7 0.002
Sensorineural disorders 37.2 48.8 1.4 1.1 to 1.5 0.001
Blurred vision 30.2 42.0 1.4 1.1 to 1.7 <0.001
Hearing difficulties 13.0 17.8 1.4 0.9 to 1.9 0.05
Digestive disorders 15.0 18.3 1.2 0.8 to 1.7 0.21
Dermatological disorders 34.2 36.1 1.2 0.8 to 1.7 0.205
Skin lesions 17.2 19.9 1.2 0.8 to 1.5 0.33
Alopecia 21.4 21.9 1.0 0.7 to 1.3 0.835
  1. The weighted rates of the symptoms are expressed as percentages. Chikungunya status is defined by specific anti-CHIKV IgG antibodies.