Table 3

Demographic, clinical, and manometric variables in responders and non-responders (mean (SD) or number)

Non-responders (n=21)Responders (n=97)p Value
Sex (M/F)12/950/47NS
Mean age (years)49.3 (19)57.5 (18)0.03
Symptom duration (months)48 (60)45.5 (54)NS
Previous dilatation/myotomy3/216/97NS
Vigorous achalasia5/2131/97NS
Weight loss (kg)3 (3.9)3.9 (4.3)NS
Oesophageal diameter (cm)4.5 (1.2)4 (1)NS
Pretreatment LES (mm Hg)39.7 (15)33.3 (10)NS
Pretreatment symptom score5.9 (1.2)5.2 (1.6)NS
At 30 days
 Post-treatment LES (mm Hg)36.6 (13)20.5 (7.6)0.001
 Post-treatment symptom score4.4 (1.6)0.8 (0.6)0.001
 Chest pain after injection27NS