Table 3 Inflection points in the temporal trends of morbidity and mortality indicators for covid-19 among people aged 60 years or older. Brazil, 2020–22
From: Effect of vaccination against Covid-19 one year after its introduction in Brazil
Indicators | Joinpoint | EW/Year | Duration in weeks | WPC | 95% IC | P-Value | ||
|---|---|---|---|---|---|---|---|---|
Start | The end | Low | High | |||||
Hospitalization | 0 | 8/2020 | 15/2020 | 7 | 143.8 | 124.8 | 164.3 | < 0.001 |
1 | 15/2020 | 43/2020 | 28 | -2.0 | -3.0 | -0.9 | < 0.001 | |
2 | 43/2020 | 11/2021 | 21 | 6.3 | 4.5 | 8.0 | < 0.001 | |
3 | 11/2021 | 51/2021 | 40 | -7.6 | -8.1 | -7.0 | < 0.001 | |
4 | 51/2021 | 3/2022 | 4 | 110.2 | 55.3 | 184.7 | < 0.001 | |
5 | 3/2022 | 13/2022 | 10 | -35.5 | -38.5 | -32.4 | < 0.001 | |
Severitya | 0 | 8/2020 | 10/2020 | 2 | 31.1 | 16.5 | 47.6 | < 0.001 |
1 | 10/2020 | 17/2020 | 7 | -6.8 | -8.6 | -4.9 | < 0.001 | |
2 | 17/2020 | 34/2020 | 17 | 1.0 | 0.5 | 1.4 | < 0.001 | |
3 | 34/2020 | 20/2021 | 39 | -0.2 | -0.3 | -0.1 | 0.001 | |
4 | 20/2021 | 43/2021 | 23 | 0.9 | 0.6 | 1.2 | < 0.001 | |
5 | 43/2021 | 13/2022 | 22 | -1.6 | -1.8 | -1.3 | < 0.001 | |
Case fatality rate | 0 | 8/2020 | 16/2020 | 8 | 3.9 | 2.4 | 5.4 | < 0.001 |
1 | 16/2020 | 43/2020 | 27 | -1.4 | -1.7 | -1.2 | < 0.001 | |
2 | 43/2020 | 10/2021 | 20 | 1.4 | 1.0 | 1.8 | < 0.001 | |
3 | 10/2021 | 39/2021 | 29 | -0.9 | -1.1 | -0.7 | < 0.001 | |
4 | 39/2021 | 9/2022 | 22 | 0.1 | -0.3 | 0.4 | 0.655 | |
5 | 9/2022 | 13/2022 | 4 | -6.9 | -10.7 | -3.0 | 0.001 | |
Mortality | 0 | 8/2020 | 11/2020 | 3 | 30.7 | -20.4 | 114.6 | 0.286 |
1 | 11/2020 | 14/2020 | 3 | 1271.0 | 408.7 | 3595.1 | < 0.001 | |
2 | 14/2020 | 18/2021 | 57 | 1.9 | 1.3 | 2.5 | < 0.001 | |
3 | 18/2021 | 52/2021 | 34 | -8.1 | -9.3 | -6.9 | < 0.001 | |
4 | 52/2021 | 5/2022 | 5 | 71.3 | 25.2 | 134.4 | 0.001 | |
5 | 5/2022 | 13/2022 | 8 | -29.9 | -37.1 | -21.9 | < 0.001 | |