Age-related impairment of esophagogastric junction relaxation and bolus flow time

Table 1 Characteristics of control and asymptomatic older subjects n (%)

	Control	Older	P value
Number (M/F)	30 (11/19)	15 (9/6)	0.14
Age ± SD (range)	37 ± 11 (21-58) yr	85 ± 4 (80-93) yr	< 0.001
EGJ subtype			0.69
I	18 (60)	9 (60)
II	9 (30)	3 (20)
IIIa	1 (3)	1 (7)
IIIb	2 (7)	2 (13)
Proximal margin EGJ (cm)	43 ± 0.6	45 ± 1	0.06
Overall length EGJ1 (cm)	3.2 ± 0.2	3.4 ± 0.3	0.34

¹EGJ Type III were excluded from calculation of total length. EGJ: Esophagogastric junction.