Dead rates in the ICU from a Meta study Posted by Kabonk below
Hasn't changed much since they started using Steroids and anticoagulants

Jan–Mar 7 59.5% (39.8–76.5%) 54.1% 0.034
Apr–Jun 19 32.6% (22.9–44.0%) 93.0%
Jul–Oct 26 33.1% (28.1–38.4%) 98.5%

https://associationofanaesthetists-publicatio...anae.15425