Table 1 . Iranian standardized scoring for achalasia.

Symptom	0	1	2	3
Dysphagia to solids	None	Occasionally	Daily	Each meal
Dysphagia to liquids	None	Occasionally	Daily	Each meal
Active regurgitation	None	Occasionally	Daily	Each meal
Passive regurgitation	None	Rerely	Weekly	Daily
Chest pain	None	Rerely	Weekly	Daily