Baseline characteristics
| Patient demographics | |
|---|---|
| Mean age (range), years | 49.5±13 (22–79) |
| Male | 21 (64) |
| Female | 12 (36) |
| Clinical data | |
| Mean duration of disease (range), years | 4.9±5.68 (0.25–25) |
| Median Eckardt Score (range) | 8 (3*–12) |
| Chicago subcategorisation | |
| Achalasia type I | 2 (6) |
| Achalasia type II | 31 (94) |
| Non-sigmoid oesophagus | 28 (85) |
| Sigmoid oesophagus | 5 (5) |
| Treatment history | |
| Prior achalasia treatment | 19 (58) |
| Prior botulinum toxin injection | 8 (24) |
| Prior pneumatic dilatation | 10 (30) |
| Prior Heller myotomy | 4 (12) |
| Prior POEM | 1 (3) |
| >2 prior treatments | 2 (6) |
| ASA physical status classification | |
| ASA grade I | 8 (24) |
| ASA grade II | 19 (58) |
| ASA grade III | 6 (18) |
All data n (%) unless stated otherwise.
*shortly post-pneumatic dilatation required repeatedly. In between pneumatic dilatation, Eckardt Score was 12.
ASA = American Society of Anesthesiologists; POEM = peroral endoscopic myotomy