| Previously untreated (n = 26) | Pretreated (n = 14) | P (Mann-Whitney test) |
---|---|---|---|
Global symptom score (0–10) |  |  |  |
   Before BTX | 8.5 (6–10) | 8 (7–10) | NS |
   1 week after BTX | 3 (0–7) | 3 (1–7) | NS |
   1 month after BTX | 2 (0–7) | 3 (1–7) | NS |
Dysphagia score (0–3) |  |  |  |
   Before BTX | 2.5 (1–3) | 3 (2–3) | NS |
   1 week after BTX | 1 (0–3) | 1 (0–3) | NS |
   1 month after BTX | 1 (0–3) | 1 (0–3) | NS |
Regurgitation score (0–3) |  |  |  |
   Before BTX | 2 (0–3) | 2 (1–3) | NS |
   1 week after BTX | 0 (0–2) | 1 (0–2) | NS |
   1 month after BTX | 0 (0–1) | 1 (0–2) | NS |
Chest pain score (0–3) |  |  |  |
   Prior BTX | 2 (0–3) | 2 (0–3) | NS |
   1 week after BTX | 1 (0–3) | 1 (0–2) | NS |
   1 month after BTX | 0 (0–3) | 1 (0–2) | NS |