Volume 17, Number 5—May 2011
Research
Travel-related Dengue Virus Infection, the Netherlands, 2006–2007
Table 4
Signs and symptoms among travelers with seroconversion in antibody level for dengue virus in 1,207 persons who traveled from the Netherlands to dengue-endemic countries, October 1, 2006–September 30, 2007*
Sign or symptom | Total no. | Recent DENV, no. (PR, %) | PRR (95% CI) | p value |
---|---|---|---|---|
Fever, temperature >38°C | 113 | 5 (4.4) | 5.6 (1.8–17.0) | 0.002 |
No fever | 1,094 | 9 (0.8) | 1 | |
Headache | 398 | 5 (1.3) | 1.1 (0.38–3.4) | 0.83 |
No headache | 809 | 9 (1.1) | 1 | |
Retro-orbital pain | 100 | 4 (4.0) | 4.6 (1.4–14.8) | 0.011 |
No retro-orbital pain | 1,107 | 10 (0.9) | 1 | |
Myalgia | 166 | 5 (3.0) | 3.6 (1.2–10.8) | 0.024 |
No myalgia | 1,041 | 9 (0.9) | 1 | |
Arthralgia | 72 | 3 (4.2) | 4.4 (1.2–16.3) | 0.025 |
No arthralgia | 1,135 | 11 (1.0) | 1 | |
Rash | 105 | 5 (4.8) | 6.1 (2.0–18.5) | 0.001 |
No rash | 1,102 | 9 (0.8) | 1 | |
Diarrhea | 581 | 10 (1.7) | 2.7 (0.85–8.7) | 0.092 |
No diarrhea | 626 | 4 (0.6) | 1 | |
Dengue-like illness† | 89 | 5 (5.6) | 7.3 (2.4–22.4) | <0.0001 |
No dengue-like illness | 1,118 | 9 (0.8) | 1 |
*DENV, dengue virus infection; PR, prevalence rate; PRR, prevalence rate ratio; CI, confidence intervals. Boldface indicates significance (p<0.5).
†Fever (temperature >38°C) with >1 of the following: myalgia, arthralgia, headache, retro-orbital pain, or skin rash.