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| Gastrointestinal AEs, n (%) | Ferric citrate (n = 190) | Placebo (n = 188) |
|---|---|---|
| Any AE (≥2% of patients) | 94 (49.5) | 52 (27.7) |
| Feces discolored | 41 (21.6) | 0 (0.0) |
| Diarrhea | 39 (20.5) | 23 (12.2) |
| Constipation | 35 (18.4) | 19 (10.1) |
| Nausea | 18 (9.5) | 8 (4.3) |
| Abdominal pain | 9 (4.7) | 3 (1.6) |
| Vomiting | 8 (4.2) | 8 (4.3) |
| Flatulence | 6 (3.2) | 3 (1.6) |
| Abdominal discomfort | 4 (2.1) | 1 (0.5) |
| Dyspepsia | 4 (2.1) | 1 (0.5) |
AE, adverse event.
