| Outcome | No. of studies | No. of participants | Statistical method | Effect size |
| Time to clinical improvement | 6 | 2118 | Hazard Ratio (95% CI) | 1.23 (1.08 to 1.39) |
| Time to WHO progression score (level 7 and above) | 3 | 762 | Hazard Ratio (95% CI) | 0.62 (0.42 to 0.91) |
| Time to death | 3 | 1152 | Hazard Ratio (95% CI) | 0.65 (0.51 to 0.83) |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.