Patient characteristics and symptoms
| Patient No | Sex | Age (y) | Age at onset symptoms (y) | Previous treatment | Oesophageal diameter | Dysphagia for solids | Dysphagia for liquids | Retrosternal pain | Regurgitation | Heartburn | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F | S | F | S | F | S | F | S | F | S | ||||||||||||||||
| 1 | F | 24 | 20 | PD (1×3+2×1) | 2 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 2 | 0 | 0 | ||||||||||
| 2 | M | 72 | 71 | None | 2 | 3 | 3 | 3 | 3 | 0 | 3 | 3 | 0 | 0 | |||||||||||
| 3 | M | 81 | 71 | None | 2 | 3 | 3 | 2 | 1 | 0 | 3 | 3 | 0 | 0 | |||||||||||
| 4 | M | 37 | 37 | None | 3 | 2 | 3 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | |||||||||||
| 5 | M | 54 | 43 | PD (2×3) | 2 | 3 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | ||||||||||
| 6 | M | 22 | 16 | PD (2×3) | 3 | 3 | 2 | 3 | 2 | 0 | 0 | 0 | 0 | ||||||||||||
| 7 | F | 21 | 20 | PD (1×3) | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 2 | 0 | 0 | ||||||||||
| 8 | M | 24 | 16 | PD (2×3) | 2 | 3 | 3 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | |||||||||||
| 9 | F | 64 | 54 | PD (3×3)+myotomy | 3 | 3 | 3 | 3 | 3 | 0 | 3 | 3 | 0 | 0 | |||||||||||
| 10 | M | 31 | 30 | PD (1×3) | 1 | 0 | 1 | 3 | 2 | 3 | 0 | 0 | 0 | ||||||||||||
| 11 | F | 79 | 43 | PD (3×3)+myotomy | 3 | 3 | 3 | 3 | 3 | 0 | 3 | 3 | 1 | 2 | |||||||||||
Oesophageal dilation: 0, not dilated; 1, mild (diameter ⩽0.5 vertebra); 2, moderate (diameter 0.5–1 vertebra); 3, severe (diameter ⩾1 vertebra).
Symptom score: frequency (F): 0, never; 1, 1–3/week; 2, 4–6/week; 3, every day; severity (S): 1, mild; 2, moderate; 3, severe.
PD, pneumatic dilatation (number of sessions×number of dilatations per session).