Skip to main content
. 2021 Jun 23;40(24):5131–5151. doi: 10.1002/sim.9115

TABLE A3.

WHO Conversion convention from the 7‐ and 8‐point scale to the 11‐point scale

7‐point 8‐point 11‐point
1 (if no viral RNA detected) 1 (if no viral RNA detected) 0
1 (if asymptomatic) 1 1
1 (if symptomatic, independent) 2 2
2 3 3
3 4 4
4 5 5
5 6 6
6 (if pO2/FIO2 150 or SpO2/FIO2 200) 7 (if pO2/FIO2 150 or SpO2/FIO2 200) 7
8
6 (if pO2/FIO2 < 150 or SpO2/FIO2 < 200 or 6 (if pO2/FIO2 < 150 and vasopressors, dialysis, or ECMO) 7 (if pO2/FIO2 < 150 and vasopressors, dialysis, or ECMO) 9
7 8 10