Results Among the elderly patients, 73.9%was caused by acid peptic diseases (duodenal ulcer, gastric ulcer, gastritis, duodenitis , esophagitis ) and 14.5%by gastric carcinoma.

• 结果老年人上消化道出血病因中主要为酸相关疾病（十二指肠溃疡、胃溃疡、胃炎、十二指肠炎、食管炎）71例，占73.；9%25;胃癌14例，占14