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Interannotator agreement ratio.
| Symptom | Agreement ratio (number) |
| Cold | 0.9945 (2546/2560) |
| Cough | 0.9934 (2543/2560) |
| Diarrhea | 0.9785 (2505/2560) |
| Fever | 0.9922 (2540/2560) |
| Hay fever | 0.9918 (2539/2560) |
| Headache | 0.9773 (2502/2560) |
| Flu | 0.9734 (2492/2560) |
| Runny nose | 0.9793 (2507/2560) |
| Total | 0.9851 (20,174/20,480) |
