Table 1.
Basic characteristics of the patients with EE and NERD and of the controls
| Variable | EE (n = 87) |
NERD (n = 86) |
p valuea | Control (n = 88) |
p valueb | |||
|---|---|---|---|---|---|---|---|---|
| n (s%) | mean ± SD | n (s%) | mean ± SD | n (s%) | mean ± SD | |||
| Age, years | 48.94 ± 17.38 | 43.34 ± 12.67 | 0.017d | 44.45± 12.33 | 0.569e | |||
| Gender | 0.012c | 0.052c | ||||||
| Male | 51 (58.6) | 34 (39.5) | 42 (47.7) | |||||
| Female | 36 (41.4) | 52 (60.5) | 46 (52.3) | |||||
| Weight, kg | 67.57 ± 15.13 | 61.06 ± 11.08 | 0.001d | 63.01± 12.55 | 0.286e | |||
| BMI | 24.09 ± 4.61 | 22.68 ± 3.12 | 0.022d | 23.02± 3.65 | 0.519e | |||
| Hiatal hernia | 30 (34.5) | 15 (17.4) | 0.011c | |||||
| Symptom duration, | ||||||||
| months | 2.49 ± 3.44 | 2.32 ± 3.45 | 0.741d | |||||
| Lifestyle | ||||||||
| Coffee | 50 (57.8) | 58 (67.4) | 0.135c | 56 (63.6) | 0.186c | |||
| Alcohol | 41 (40.2) | 31 (30.4) | 0.139c | 30 (29.4) | 0.164c | |||
| Tea | 66 (75.9) | 74 (86.0) | 0.088c | 74 (84.1) | 0.180c | |||
| Smoking | 13 (14.9) | 14 (16.3) | 0.809c | 14 (15.9) | 0.969c | |||
a
p value of the EE group and the NERD group;
b
p value of the EE group, the NERD group and the control group;
c
Pearson's χ2 test;
d
t test;
e
Kruskal-Wallis 1-way ANOVA test.