num.八十一

Methods Six hundred and eighty one patients suffering from refl uxesophagitis were divided into elderly and non elderly groups. 方法將本院10年來681例反流性食管炎患者分為老年組和非老年組，對(duì)兩組的患病率、病變程度、病理結(jié)果、并存疾病進(jìn)行了比較。

eight thousand eight hundred and eighty one (=8881) 八千八百八十一

eight thousand one hundred and eighty one (=8181) 八千一百八十一

eight thousand three hundred and eighty one (=8381) 八千三百八十一

eight thousand two hundred and eighty one (=8281) 八千二百八十一

five thousand five hundred and eighty one (=5581) 五千五百八十一