Table 2.

Clinical characteristics of 27 patients with achalasia

Characteristic	Value
History of prior treatments	2 (7.4)
Disease duration, median (range), years	4 (0.5–20)
Preoperative Eckardt score, median (range)	7 (6–9)
Preoperative IRP, median (range), mmHg	27.6 (15.9–56.6)
Chicago subtype (%)
I	4 (14.8)
II	20 (74.1)
Unspecified	3 (11.1)
Procedure time, mean ± SD, min	52.78 ± 17.66
Myotomy length, mean ± SD, cm	10.07 ± 0.81
Eckardt score at 6 months after POEM, median (range)	1 (0–2)

Values are n (%), unless otherwise noted. Unspecified, diagnosed by clinical symptoms, esophagogastroduodenoscopy and barium esophagram due to failure in high-resolution manometry classification

IRP integrated relaxation pressure, EGJ esophagogastric junction, SD standard deviation