单词non-elderly
Objective: To examine the pathogeny of hematochezia in the elderly by colon-scope, and compared with non elderly group.
目的：了解老年便血病人结肠镜下的病因，并与非老年组进行对比。
The median survival time was 26. 5 months in elderly group and 28. 0 months in non-elderly group (P=0. 835).
中位生存时间老年组26.5个月，非老年组28.0个月，两组差异无统计学意义（P=0.835）。
Comparative Analysis of The Elderly Group and Non Elderly group of Hospital Acquired Pneumonia
医院获得性肺炎老年组与非老年组的对照分析
Comparison of the results of thyroidectomy for the elderly and non-elderly patients
老年与非老年患者甲状腺切除手术对比分析