| dc.description.abstract | In Taiwan, the number of GERD patients is increasing every year. This disease has a great effect on the patients metally and physically and on the quality of general life. Even the consumption of diagnosis and medical resources is very heavy. 〔1、2、3〕We are going to probe into the causes of the related risk factors of erosive esophagitis .
In this paper, we use Chi-square test and two sample t test to discuss that erosive esophagitis has relation to age, sex, smoking, alcohol, EGFV, weight and BMI or not. We also use Logistic Regression Model and Cumulative Logistic Regression Model to discuss risk factors of odds ratio of erosive esophagitis respectively. With the analysis, we are sure that the opportunity that age will significantly affect the increasing of incidence of the erosive esophagitis is not big enough at 0.05 significance level. The smoking and EGFV are most significant variable to get erosive esophagitis. After refusing the effect of age, sex,EGFV, and BMI, the men with smoke have significantly higher probability to get erosive esophagitis than the men without smoke.（Odds Ratio=5.342, 95% CI=2.908~9.813，p-value<0.0001. After refusing the effect of age, sex, smoke and BMI, the men with EGFV have significantly higher probability to get erosive esophagitis than the men without EGFV.（Odds Ratio=11.223, 95% CI=3.200~39.364，p-value=0.0002）. And using Cumulative Logistic Regression Model, we can also find smoking and EGFV are most significant variable to get erosive esophagitis. Besides, according our research, we realize that the longer observing time, the exacter erosive esophagitis diagnosis.
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