Table 2 Symptom presentation of patients with Jackhammer esophagus and symptoms of gastroesophageal reflux disease.
| Â | Jackhammer esophagus |
|---|---|
Symptoms n(%) | |
heartburn | 20 (54.1) |
dysphagia | 19 (51.4) |
  grade I + II | 18 (48.6) |
  grade III | 8 (21.6) |
chest pain | 13 (35.1) |
regurgitation | 18 (48.6) |
globus sensation | 7 (18.9) |
coughing | 8 (21.6) |
hoarseness | 10 (27) |
symptom duration (years) | 2 (0.13; 9.5) |