Upper esophageal sphincter abnormalities on high-resolution esophageal manometry and treatment response of type II achalasia

Table 8 Treatment improvement in subjects with type II achalasia based on upper esophageal sphincter dysfunction

Treatment improvement	UES abnormal	UES normal	P value
Favorable	16.67%	100.00%	0.049a
Poor	83.33%	0.00%

Level significance is indicated as follows:

^a< 0.05.

UES: Upper esophageal sphincter.