Table 4 Inflection points in the temporal trends of morbidity and mortality indicators for covid-19 among people aged 18 to 59 years. 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 | 145.0 | 124.5 | 167.4 | < 0.001 |
1 | 15/2020 | 42/2020 | 27 | -3.5 | -4.6 | -2.3 | < 0.001 | |
2 | 42/2020 | 19/2021 | 30 | 6.7 | 5.6 | 7.8 | < 0.001 | |
3 | 19/2021 | 49/2021 | 30 | -13.3 | -14.2 | -12.4 | < 0.001 | |
4 | 49/2021 | 3/2022 | 6 | 57.8 | 36.3 | 82.7 | < 0.001 | |
5 | 3/2022 | 13/2022 | 10 | -33.7 | -37.0 | -30.2 | < 0.001 | |
Severitya | 0 | 8/2020 | 11/2020 | 3 | 17.3 | 7.3 | 28.3 | 0.001 |
1 | 11/2020 | 15/2020 | 4 | -10.4 | -18.0 | -1.9 | 0.017 | |
2 | 15/2020 | 49/2021 | 87 | 0.4 | 0.4 | 0.5 | < 0.001 | |
3 | 49/2021 | 2/2022 | 5 | -5.3 | -10.5 | 0.2 | 0.060 | |
4 | 2/2022 | 13/2022 | 11 | 1.9 | 0.7 | 3.1 | 0.003 | |
Case fatality rate | 0 | 8/2020 | 17/2020 | 9 | 3.7 | 0.4 | 7.1 | 0.028 |
1 | 17/2020 | 44/2020 | 27 | -1.7 | -2.3 | -1.0 | < 0.001 | |
2 | 44/2020 | 13/2021 | 22 | 3.5 | 2.5 | 4.4 | < 0.001 | |
3 | 13/2021 | 30/2021 | 17 | -3.2 | -4.5 | -1.9 | < 0.001 | |
4 | 20/2021 | 13/2022 | 35 | 0.7 | 0.2 | 1.1 | 0.003 | |
Mortality | 0 | 8/2020 | 17/2020 | 9 | 183.4 | 161.2 | 207.6 | < 0.001 |
1 | 17/2020 | 46/2020 | 29 | -4.3 | -5.7 | -2.9 | < 0.001 | |
2 | 46/2020 | 20/2021 | 27 | 9.9 | 8.1 | 11.7 | < 0.001 | |
3 | 20/2021 | 51/2021 | 31 | -13.4 | -14.6 | -12.3 | < 0.001 | |
4 | 51/2021 | 5/2022 | 6 | 52.5 | 24.8 | 86.3 | < 0.001 | |
5 | 5/2022 | 13/2022 | 8 | -27.6 | -34.4 | -20.2 | < 0.001 | |