| Disease | Incidence in general population | Prevalence of dysphagia (%) | Aspect of deglutition affected | Risk of aspiration |
| Muscular dystrophy | 17 to 28:100,000 | 18 | Oral>pharyngeal | Low early stages, high late stages |
| MG | 1.7 to 10.4:1,000,000 | 40 | Pharyngeal>oral | High (35%) |
| MS | 2 to 7:100,000 | 24 to 65 | Oral/pharyngeal, cortical | High |
| ALS | 2:100,000 | 83 | Oral>pharyngeal, cortical | High |
| Parkinson disease | 13:100,000 | 82 | Esophageal>oral/pharyngeal, cortical | High |
