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Adverse events reported during the study, n (%)
| Items | Wenxin Keli group (n = 600) | Placebo group (n = 600) |
|---|---|---|
| Abdominal discomfort | 0 | 1 (0.2) |
| Gastrointestinal symptoms | 1 (0.2) | 1 (0.2) |
| Headache | 1 (0.2) | 0 |
| Dizziness | 1 (0.2) | 0 |
| Palpitation | 0 | 1 (0.2) |
| Osphyalgia | 0 | 1 (0.2) |
| Total adverse events | 3 (0.5) | 4 (0.7) |
| Withdrew due to Wenxin Keli | 0 | 1 (0.2) |
