OSAS patients
HEMII-pH findings GERD & LPR LPR p-value
Proximal acid reflux episodes 12.83 ± 8.05 4.54 ± 6.02 0.001
Proximal nonacid reflux episodes 8.08 ± 9.44 4.27 ± 5.31 NS
Total number of proximal reflux episodes 20.83 ± 15.66 8.85 ± 7.80 0.010
Proximal reflux episodes by period of the day
Post-breakfast hour 2.67 ± 2.81 0.79 ± 0.74 0.006
Post-breakfast hour to the lunch 6.75 ± 8.27 2.12 ± 1.95 0.018
Post-lunch hour 5.08 ± 11.12 2.03 ± 2.80 NS
Post-lunch hour to the dinner 14.25 ± 21.84 6.21 ± 6.21 NS
Post-dinner hour 4.08 ± 2.50 2.24 ± 2.03 0.009
Post-dinner hour to the bedtime 10.08 ± 8.55 4.58 ± 4.46 0.009
Nighttime 3.83 ± 3.19 1.21 ± 1.67 0.007