| Clinical features | N | % |
| Poor sleep | 8 | 88.8% |
| Muscle weakness | 9 | 100% |
| Sweating | 6 | 66.6% |
| Poor concentration | 9 | 100% |
| Muscular pain | 9 | 100% |
| Feeling fever | 6 | 66.6% |
| Numbness of limbs | 5 | 55.5% |
| Morning stiffness | 6 | 66.6% |
| Bloating | 4 | 44.4% |
| Headache | 4 | 44.4% |
| Abdominal pain | 3 | 33.3% |
| Nausea | 3 | 33.3% |
| Arthralgia | 3 | 33.3% |
| Diarrhea | 1 | 11.1% |
| Jaw pain | 1 | 11.1% |