Table 2. Prevalence of reported symptom (headache, nausea, fatigue) or cluster severity across all visits and stages, by symptom/cluster.
| Type | None | Mild | Mild-Moderate | Moderate | Moderate-Severe | Severe |
|---|---|---|---|---|---|---|
| Headache | 79.1% | 15.7% | 3.0% | 1.4% | 0.7% | 0.1% |
| Nausea | 93.2% | 5.0% | 1.4% | 0.5% | 0.0% | 0.0% |
| Fatigue | 68.1% | 20.8% | 7.1% | 3.3% | 0.6% | 0.1% |
| Eyes | 78.6% | 14.3% | 5.3% | 1.5% | 0.2% | 0.0% |
| Nose | 70.6% | 22.2% | 3.7% | 2.2% | 0.9% | 0.4% |
| Throat | 79.9% | 14.3% | 4.4% | 0.8% | 0.5% | 0.1% |
| Chest | 86.8% | 9.8% | 2.1% | 0.8% | 0.2% | 0.2% |
For each individual at a given stage contributing to this table, the severity is based on the highest severity amongst all questions within the given cluster.