LPR patients (N = 69) Normal controls (N = 26)
P-value
Age (y) 55.93 ± 13.02 44.23 ± 13.87
Male : Female (n) 26:43 6:20
Positive of pharyngeal reflux (n) 69/69 (100%) 5/26 (19%)
Timing of post-prandial reflux (min) 58.2 ± 61.8 38.4 ± 34.2 0.322