Number of patients who have tried hydroxychloroquine (HCQ), and number of reported side effects.
| Drug | No. Patients | No. Patients Reporting GI Side Effects |
|---|---|---|
| Plaquenil | 51 | 2 (4%) |
| Quinoric | 79 | 14 (18%) |
| Generic HCQ | 21 | 0 (0%) |
Fisher’s exact test: for Quinoric vs Plaquenil, p = 0.027; for Quinoric vs generic HCQ, p = 0.037.