Ninty-nine point six eight percent of the cases had lesions under the gastroscope. The former 4 cases had chronic superficial gastritis(CSG),CGS and bile reflux,CGS and duodenitis,CGS and bulb ulcer,and Hp infection rate was 31.36%,25%,38.64%,60.61%.

• 胃镜下病变检出率99.；68%25；其中单纯慢性浅表性胃炎(CGS)118例；CGS伴胆汁返流56例；CGS伴十二指肠球炎44例；CGS伴十二指肠溃疡33例；Hp感染率分别为31