Table 3.
Signs and symptoms associated with CHIKV and flavivirus infection, in the last three years, in the seroepidemiological survey in the City of Juazeiro do Norte, Brazil, 2018
| Signs and symptoms | Chikungunya | Flavivirus | ||||
|---|---|---|---|---|---|---|
| PR Crude (95%CI) |
PR (95% IC) Adjusted by age group | PR (95%CI) Adjusted | PR Crude (95%CI) |
PR (95% IC) Adjusted by age group | PR (95%CI) Adjusted | |
| Joint pain | 3.85 (1.79–8.24) | 3.75 (1.76–8.02)* | 4.31 (2.06–9.03)** | 1.07 (1.02–1.13) | 1.06 (1.01–1.12)** | – |
| Fever | 0.61 (0.39–0.94) | 0.66 (0.42–1.03) | – | 1.05 (0.99–1.11) | 1.05 (1.00–1.11) ** | – |
| Back pain | 0.41 (0.21–0.78)** | 0.41 (0.21–0.77)** | 0.35 (0.18–0.66)** | 1.00 (0.91–1.09) | – | – |
| Edema | 1.04 (0.78–1.39) | – | – | – | – | – |
| Rash | 1.03 (0.74–1.44) | – | – | 1.07 (1.02–1.12) | 1.07 (1.02–1.13) ** | 1.07 (1.02–1.13)** |
| Myalgia | 0.73 (0.50–1.05) | 0.72 (0.50–1.05) | – | – | – | – |
| Headache | 1.32 (0.95–1.83) | 1.32 (0.95–1.82) | – | 1.02 (0.95–1.08) | – | – |
| Abdominal pain | 1.25 (0.90–1.74) | 1.27 (0.91–1.77) | – | 1.05 (1.00–1.11) | 1.06 (1.01–1.12) * | – |
| Retroorbital pain | 0.69 (0.46–1.03) | 0.68 (0.46–1.02) | 0.71 (0.50–1.03) | 1.05 (1.00–1.11) | 1.05 (0.99–1.11) | – |
| Alopecia# | 1.20 (0.87–1.65) | – | – | – | – | – |
| Morning stiffness # | 1.26 (0.91–1.74) | – | – | – | – | – |
| Muscle pain | – | – | – | 1.06 (1.01–1.11) | 1.05 (1.01–1.11) * | – |
Subtitle: PR Prevalence Ratio; * p-value between 0.01 and 0.05 and **p-values< 0.01