| Variables | Univariate analysis | Multivariate analysis | Odds ratio (95% CI) | value | Odds ratio (95% CI) | value |
| Sex, male | 1.755 (1.054, 2.921) | 0.031 | | | Age group | | | | 0.018 | ≤30 | 0.184 (0.078, 0.436) | 0.000 | 0.203 (0.077, 0.535) | 0.001 | 31~40 | 0.385 (0.183, 0.810) | 0.012 | 0.410 (0.177, 0.953) | 0.038 | 41~50 | 0.407 (0.198, 0.837) | 0.015 | 0.388 (0.173, 0.870) | 0.022 | 51~60 | 0.446 (0.206, 0.966) | 0.041 | 0.354 (0.143, 0.873) | 0.024 | >60 | 1 (ref) | | | | Symptom of globus sensation | 4.835 (2.239, 10.441) | 0.000 | 7.507 (3.156, 17.860) | 0.000 | Symptom of epigastric pain | 2.055 (1.163, 3.633) | 0.013 | | | Comorbidity of EP | 4.940 (1.249, 19.529) | 0.023 | 8.732 (2.006, 38.013) | 0.004 | Comorbidity of diabetes | 1.935 (0.822, 4.554) | 0.130 | | | Comorbidity of malignancy | 3.614 (1.575, 8.291) | 0.002 | 4.031 (1.562, 10.407) | 0.004 | History of IS use | 9.783 (2.072, 46.180) | 0.004 | 6.525 (1.089, 39.105) | 0.040 | History of antibiotic use | 2.247 (1.230, 4.105) | 0.008 | 2.178 (1.078, 4.400) | 0.030 | Smoking | 2.548 (1.500, 4.325) | 0.001 | 3.017 (1.645,5.533) | 0.000 |
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