Gastrointestinal function testing model using a new laryngopharyngeal pH probe (Restech) in patients after Ivor-Lewis esophagectomy

Table 5 Demographic information, endoscopic findings and pH data

	Group 1 (3-6 mo follow up)		Group 2 (6-24 mo follow up)		Group 3 (> 24 mo follow up)
	n	%	n	%	n	%
Total	3	100	19	100	13	100
Females	2	67	5	26	0	0
Esophagitis
LA Grade A	0	0	5	26	1	8
LA Grade B	0	0	2	11	3	23
LA Grade C	0	0	1	5	3	23
LA Grade D	0	0	4	21	0	0
	Mean	Range	Mean	Range	Mean	Range
Follow up time (d)	127	106-167	414	209-652	1322	725-1966
Gastric pH	2.4	2 – 2.8	3.4	1.6-6.7	2.4	1.2-4.8
DeMeester score	159.5	0-273.5	197	0-313.4	281.3	116.5-319.5