Description | ||
---|---|---|
Grade 1 | Mild | No interference with activity and no or minimal intervention1 required |
Grade 2 | Moderate | Some interference with activity or requires more than minimal intervention |
Grade 3 | Severe | Prevents daily activity and required significant medical intervention |
Grade 4 | Life-threatening | Life-threatening consequences requiring urgent medical intervention |
Grade 5 | Death | Results in death |