Table 3.
Association between previous DENV / ZIKV exposure and uncompensated shock during the current DENV infection.
| Anti-DENV/ZIKV IgG sero-status | Uncompensated shock | Risk ratio (95% CI) | P value* | |
|---|---|---|---|---|
| No | Yes | |||
| Prior DENV and ZIKV exposure | 107 | 4 | Not calculated | 0.042 |
| No exposure to both infections | 133 | 0 | ||
| Prior DENV exposure only | 173 | 6 | Not calculated | 0.04 |
| No exposure to both infections | 133 | 0 | ||
| Prior DENV and ZIKV exposure | 107 | 4 | 1.08 (0.29–3.91) | 1.000 |
| Prior DENV exposure only | 173 | 6 | ||
*Calculated as two-tailed p value with Fisher’s exact test.