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Table 1 Clinical symptoms of studied travellers. Travellers with confirmed dengue virus infection are compared with febrile travellers without dengue (negative dengue serology and negative dengue RT-PCR).

From: Clinical features and pitfalls in the laboratory diagnosis of dengue in travellers

  Travellers with confirmed dengue infection (n = 69) Febrile travellers without dengue (n = 1,035) OR (95% CI) confirmed vs. fever controls
Fever (%) 56/69 (81.2) 1,035/1,035 (100) -
Headache (%) 41/66 (62.1) 460/941 (48.9) 1.7 (1.0–3.0)
Muscle pain (%) 33/66 (50.0) 354/940 (37.7) 1.7 (0.98–2.8)
Diarrhoea (%) 30/69 (43.5) 397/1,035 (38.4) 1.2 (0.7–2.1)
Nausea (%) 15/67 (22.4) 189/944 (20.0) 1.2 (0.6–2.2)
Skin rash (%) 16/68 (23.5) 85/948 (9.0) 3.1 (1.6–5.9)