Table 2

Post-treatment data for achalasia in each group (mean (SD) or number)

Botx 50 U (n=40)Botx 100 U (n=38)Botx 200 U (n=40)p Value
At 30 days
 LES basal pressure (mm Hg)24.3 (13)24.2 (10.4)21 (7.3)NS
 Symptom score1.7 (1.9)1.5 (1.8)1 (1.2)NS
 Chest pain after injection3/402/384/40NS
 Failures10/406/385/40NS
50 U (n=30) 100 U×2 (n=32) 200 U
(n=35)
At the end of follow up
 Relapses14/306/3215/350.04
 Duration of follow-up (months)11.9 (6)12.8 (5)9.7 (4.7)NS
 Cumulative months of remission2463712060.01