EKG characteristics of patients who experienced QTc prolongation with corresponding domperidone doses (prolonged QTc values in bold)
| Patients | Sex | Baseline QTc | All follow-up QTc | Most recent dose (mg) | Highest dose (mg) | Symptom % change | Prolactin-related side effects | Other adverse effects reported | ECG arrhythmias |
| Patient A | F | 467 | 491 | 120 | 120 | 30% Better | No | Restlessness | None |
| Patient B | F | 455 | 464-477-482-426-392-446-429-464 | 80 | 120 | 95% Better | No | Muscle spasms | None |