Table 1 Baseline characteristics of 73 patients with or without gastroesophageal reflux disease as determined by the Chinese Gastroesophageal Reflux Disease Questionnaire

Age (years)^a

45.75 ± 17.82

49.95 ± 18.33

45.50 ± 17.43

0.915

Gender, n (%)^b

Male

34 (46.6)

16 (39.0)

18 (56.3)

0.143

Female

39 (53.4)

25 (61.0)

14 (43.8)

BMI (kg/m²)^a

23.19 ± 3.60

22.95 ± 3.77

23.50 ± 3.41

0.522

Chinese ESS^b

   ≤10

52 (71.2)

21 (51.2)

31 (96.6)

<0.001

   >10

21 (28.8)

20 (48.8)

1 (3.1)

CGERDQ score^a

13.04 ± 8.00

18.88 ± 5.07

5.56 ± 3.57

<0.001

Alcohol, n (%)^b

   Yes

21 (28.8)

11 (26.8)

10 (31.3)

0.679

   No

52 (71.2)

30 (73.2)

22 (68.8)

Smoking, n (%)^b

   Yes

22 (30.1)

12 (29.3)

10 (31.2)

0.855

   No

51 (69.9)

29 (70.7)

22 (68.8)

Acid suppression, n (%)^b

   Yes

18 (24.7)

15 (36.6)

3 (9.4)

0.007

   No

55 (75.3)

26 (63.4)

29 (90.6)

Snoring, n (%)^c

   Yes

6 (8.2)

6 (14.6)

0 (0.0)

0.032

   No

67 (91.8)

35 (85.4)

32 (100.0)

S/H use, n (%)^c

   Yes

3 (4.1)

3 (7.3)

0 (0.0)

0.251

   No

70 (95.9)

38 (92.7)

32 (100.0)

AST (U/L)

22.10 ± 5.65

21.54 ± 5.88

22.81 ± 5.35

0.342

ALT (U/L)

22.03 ± 6.91

21.56 ± 7.16

22.63 ± 6.63

0.517