Laryngopharyngeal reflux in patients with reflux esophagitis

Table 2 Comparisons of demographic characteristics of patients with and without LPR

	LPR (n = 40)	Non-LPR (n = 127)	P
Gender (%)			0.67
Male	18 (45.0)	62 (48.8)
Female	22 (55.0)	65 (51.2)
Age (yr)	45.2 ± 11.9	49.9 ± 12.9	0.04
BMI (kg/m2)	23.3 ± 3.2	23.4 ± 3.2	0.88
LPR symptoms (%)
Hoarseness	22 (55.0)	34 (26.8)	0.001
Globus	14 (35.0)	42 (33.1)	0.82
Cough	12 (30.0)	34 (26.8)	0.69
Throat clearing	16 (40.0)	43 (33.9)	0.47
LA grade (%)			0.68
A	29 (72.5)	89 (70.1)
B	9 (22.5)	34 (26.8)
C	2 (5.0)	4 (3.1)
Hiatus hernia (n, %)	11 (27.5)	12 (9.5)	0.004

BMI: Body mass index; LPR: Laryngopharyngeal reflux; LA grade: The grade of Los Angeles classification of esophagitis.