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Etiologic distribution of the patients from whom the VFSS was taken
| Etiology | Number of patients |
|---|---|
| Chronic subdural hemorrhage | 1 |
| Parkinson's disease | 3 |
| Stroke | 31 |
| Idiopathic | 25 |
| Polymyositis | 1 |
| Traumatic brain injury | 8 |
| Epilepsy | 1 |
| Meningitis | 1 |
| Amyotrophic lateral sclerosis | 1 |
| Dermatomyositis | 1 |
| Hypoxic brain damage | 1 |
| Laryngeal cancer | 1 |
| Tonsillar cancer | 1 |
Values are the number of subjects
