. Author manuscript; available in PMC: 2021 Mar 1.

Published in final edited form as: J Gastroenterol Hepatol. 2019 Jul 24;35(3):408–411. doi: 10.1111/jgh.14779

Table 1.

Characteristics of study population

Variable	Total: n (%)	Patients with OSA	Patients without OSA
Gender
Male	427 (39.1%)	356 (44%)	71 (25.2%)
Female	664 (60.9%)	453 (56%)	211 (74.8%)
Smoking history	363 (33.4%)	249 (30.78%)	114 (40.42%)
Age	53.5 years (SD 12.2)	54.4 years (SD 11.62)	50.92 years (SD 13.43)
Diagnosis of GERD	570 (52.2%)	415 (51.3%)	155 (54.96%)
PPI use	709 (72.6%)	519 (64.15%)	190 (67.38%)
H2 receptor antagonist use	148 (15.2%)	99 (12.24%)	49 (17.38%)
Hiatal hernia	313 (28.69%)	229 (28.31)	84 (29.79%)

GERD, gastroesophageal reflux disease; OSA, obstructive sleep apnea; PPI, proton pump inhibitor.