Table 2.
Associations between mosquito infection status and mosquito survival after exposure to all four DENV serotypes
| Variables | Unadjusted | Adjusted | ||
|---|---|---|---|---|
| Hazard ratio (95% CI) | P value | Hazard ratio (95% CI)* | P value | |
| Infection status | ||||
| 0% infection | 1.00 (reference) | 1.00 (reference) | ||
| 100% infection | 1.31 (0.80–2.16) | 0.28 | 1.17 (0.57–2.40) | 0.66 |
| Serotype | ||||
| DENV-1 | 1.00 (reference) | 1.00 (reference) | ||
| DENV-2 | 0.62 (0.38–1.02) | 0.06 | 0.63 (0.40–1.00) | 0.051 |
| DENV-3 | 0.72 (0.39–1.33) | 0.30 | 0.75 (0.40–1.40) | 0.37 |
| DENV-4 | 0.38 (0.11–1.35) | 0.14 | 0.41 (0.12–1.49) | 0.18 |
| Plasma viremia (+1 log10 copies/mL) | 1.06 (0.93–1.21) | 0.40 | 0.98 (0.82–1.18) | 0.85 |
*
Hazard ratios from Cox proportional hazard models adjusting for clustering data within patients. All variables in the table were included in multivariable models.
DENV = dengue virus; IQR = interquartile range.