From: Differences in mortality in critically ill elderly patients during the second COVID-19 surge in Europe
Surge 1
Surge 2
15-day survival
71.3%
(95% CI 68.9–73.8)
69.3%
(95% CI 66.8–71.9)
30-day survival
57.4%
(95% CI 54.8–60.2)
50.1%
(95% CI 47.4–52.9)
90-day survival
50.8%
(95% CI 48.2–53.6)
40.3%
(95% CI 37.5–43.4)