Table 4 Effect of second wave on mortality in patients ≥ 70 years hospitalized for COVID-19.

From: Mortality reduction in older COVID-19-patients hospitalized in Spain during the second pandemic wave from the SEMI-COVID-19 Registry

Severe dependence (Barthel index < 60)

Treatment with systemic corticosteroids

AOR (95% CI AOR)

ARR (95% CI ARR)

No

No

0.35 (0.24–0.52)

0.54 (0.42–0.69)

No

Yes

0.56 (0.45–0.69)

0.73 (0.65–0.82)

Yes

No

0.52 (0.37–0.75)

0.73 (0.60–0.88)

Yes

Yes

0.83 (0.67–1.04)

0.92 (0.84–1.02)

  1. AOR: adjusted odds ratio; ARR: adjusted risk ratio calculated with delta-method standard errors for the wave covariate.
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