Skip to main content

Table 2 Association of vaccine coverage with Covid-19 morbidity and mortality indicators 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)

IRR

95% IC

P-value

Pseudo R2

Low

High

Hospitalization

18 to 59

0.965

0.963

0.966

 < 0.001

72.4%

60 or older

0.982

0.982

0.983

 < 0.001

63.0%

Severitya

18 to 59

1.001

1.000

1.002

0.238

0.4%

60 or older

1.001

1.000

1.002

0.205

0.4%

Case fatality rate

18 to 59

0.998

0.997

1.000

0.019

1.6%

60 or older

0.997

0.996

0.998

 < 0.001

6.5%

Mortality

18 to 59

0.965

0.962

0.969

 < 0.001

62.0%

60 or older

0.983

0.983

0.984

 < 0.001

58.7%

  1. aCovid-19 cases admitted to the ICU and/or who received invasive ventilatory support