Journal of Neurogastroenterology and Motility : eISSN 2093-0887 / pISSN 2093-0879

Table. 1.

Demographic Characteristics of Patients With and Without Transient Hiatal Separation During Straight Leg Raise and Hiatal Hernia

Characteristics Non-hiatal separation
(n = 31)
Transient hiatal separation
(n = 19)
Hiatal hernia
(n = 35)
P-value
Demographic factors
Age (yr) 43.5 (30.8, 56.3) 46.0 (41.0, 55.0) 52.0 (38.0, 59.0) 0.376
Female 19 (61.3) 8 (42.1) 21 (60.0) 0.356
BMI (kg/m2) 24.1 (22.1, 25.3) 21.6 (20.9, 24.8) 24.3 (22.3, 26.2) 0.041a
Smoking 2 (6.5) 1 (5.3) 5 (14.3) 0.432
Alcohol 8 (25.8) 7 (36.8) 8 (22.9) 0.533
Erosive esophagitis 0.553
Barrett's 0 (0.0) 1 (5.3) 0 (0.0)
GERD A 4 (12.9) 3 (15.9) 8 (22.9)
GERD B 2 (6.5) 2 (10.4) 3 (8.6)
GERD C 0 (0.0) 1 (5.3) 1 (2.9)
GERD D 0 (0.0) 0 (0.0) 0 (0.0)
Normal 25 (80.6) 12 (63.1) 23 (65.7)
Endoscopic hiatal hernia 4 (12.9) 2 (10.5) 34 (97.1) < 0.001b
Questionnaire
GERDQ score 8.0 (5.0, 12.0) 7.0 (3.0, 11.0) 8.5 (4.0, 11.0) 0.780
RDQ score 14.5 (6.8, 23.3) 17.0 (9.0, 22.0) 16.0 (9.0, 21.5) 0.848
RSI score 16.0 (13.0, 21.0) 14.0 (6.0, 21.0) 12.0 (9.0, 21.3) 0.411

aIndicated statistically significant between transient hiatal separation and hiatal hernia groups by post-hoc analysis via Dunn’s test.

bIndicated statistically significant between hiatal hernia and transient or non-hiatal separation.

BMI, body mass index; GERDQ, Gastroesophageal Reflux Disease Questionnaire; RDQ, Reflux Disease Questionnaire; RSI, Reflux Symptom Index.

Data are presented as median (interquartile range: Q1, Q3) or n (%).

J Neurogastroenterol Motil 2022;28:589~598 https://doi.org/10.5056/jnm21189
© J Neurogastroenterol Motil