Treatment delay (days since onset)
Efficacy
Efficacy by treatment delay in COVID-19 studies
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
-25%
0%
25%
50%
75%
100%
c19early.org
March 2024
p<0.00000000001
mixed-effects meta-regression, most serious sufficiently powered outcome