Table 4.
COVID-19 vaccine effectiveness against death and weighted hazard ratios for mortality.
| Characteristics | After 28 Days | After 90 Days | |||||||
|---|---|---|---|---|---|---|---|---|---|
| HR * | 95% CI | p | Effectiveness | HR * | 95% CI | p | Effectiveness | ||
| Vaccinated | |||||||||
| Unweighted | 0.42 | 0.25–0.70 | <0.001 | 58.0% | 0.47 | 0.30–0.75 | 0.002 | 53.0% | |
| Weighted | 0.49 | 0.26–0.89 | 0.019 | 51.0% | 0.50 | 0.28–0.89 | 0.019 | 50.0% | |
* Adjusted for age, sex, dyspnea, fever, cough, hypertension, type 2 diabetes, chronic kidney disease, obesity, cancer, and neurological disorder. HR: hazard ratio. 95% CI: 95% confidence interval.