Table 1 Temporal trends of Covid-19 morbidity and mortality indicators in the pre- and post-vaccination periods per age groups and in total. Brazil, 2020–22
From: Effect of vaccination against Covid-19 one year after its introduction in Brazil
Indicators | Population (age in years) | Pre-vaccination | Post-vaccination | ||||||
|---|---|---|---|---|---|---|---|---|---|
AWPC | 95% CI | P-Value | AWPC | 95% CI | P-Value | ||||
Low | High | Low | High | ||||||
Hospitalization | 18 to 59 | 15.3 | 12.4 | 18.3 | < 0.001 | -6.6 | -7.8 | -5.4 | < 0.001 |
60 or older | 15.8 | 13.1 | 18.5 | < 0.001 | -5.6 | -6.6 | -4.7 | < 0.001 | |
Severitya | 18 to 59 | 0.5 | -0.8 | 1.8 | < 0.001 | 0.3 | -0.2 | 0.8 | < 0.001 |
60 or older | 0.3 | -0.1 | 0.6 | < 0.001 | -0.4 | -0.7 | -0.1 | < 0.001 | |
Case fatality rate | 18 to 59 | 0.6 | -0.5 | 1.7 | < 0.001 | 0.0 | -1.1 | 1.2 | 1.000 |
60 or older | 0.3 | -0.1 | 0.8 | < 0.001 | -0.7 | -1.2 | -0.1 | < 0.001 | |
Mortality | 18 to 59 | 18.5 | 15.9 | 21.2 | < 0.001 | -4.0 | -5.3 | -2.8 | < 0.001 |
60 or older | 21.5 | 17.8 | 25.2 | < 0.001 | -4.3 | -5.4 | -3.1 | < 0.001 | |