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

Table 3 Results overview

	Group A		Group C		Group D
	n	%	n	%	n	%
Total	9	100	20	100	4	100
Females	1	11	3	15	2	50
Heartburn	9	100	15	75	0	0
Regurgitation	8	89	17	85	1	25
Dysphagia	4	44	11	55	2	50
Chest Pain	8	89	11	55	0	0
Weight loss	5	56	10	50	2	50
Extraesophageal reflux symptoms	2	22	4	20	1	25
	Mean	Range	Mean	Range	Mean	Range
Age (yr)	59	48-66	61	46-77	69	58-77
BMI (kg/m2)	24.9	19.2-29.1	25	20.5-29.6	23.1	17.6-26.3
Restech
RYAN upright	2.36	2.12-4.26	84.8	10.6-381	2.12	-
RYAN supine	2.17	-	14.4	2.17 – 149.1	2.17	-
Eso-pH
DeMeester score	202.9	27-308.5	242	26.4-319.5	0	-
% time pH < 4	36.4	6.2-71	29.1	3.7-90.7	0.55	0-1.9
Gastric pH	3.2	1.6-6.7	2.62	1.2-5.6	3.9	2-6.7

BMI: Body mass index.