Table 1.
Prevalence of CHIKV and DENV infections among febrile inpatients, northern Tanzania, 2007–2008
| All patients | Pediatric | Adult and adolescent | OR (95% CI) | P value | ||||
|---|---|---|---|---|---|---|---|---|
| n/N | (%) | n/N | (%) | n/N | (%) | |||
| Acute CHIKV infection | 55/700 | (7.9) | 34/332 | (10.2) | 21/368 | (5.7) | 1.9 (1.1–3.3) | 0.026* |
| Presumptive acute DENV infection | 71/747 | (9.5) | 35/380 | (9.2) | 36/367 | (9.8) | 0.93 (0.57–1.5) | 0.780 |
| Prior flavivirus exposure | 80/751 | (10.7) | 19/384 | (5.0) | 61/367 | (16.6) | 0.26 (0.15–0.45) | < 0.001* |
*
P < 0.05.
CHIKV = Chikungunya virus; DENV = Dengue virus; OR = odds ratio; CI = confidence interval.