试题一肝癌手术治疗效果评价-西安工业大学北方信息工程学院.DOCVIP

2013年西安工业大学北方信息工程学院数学建模竞赛题目 （请先阅读?“北方信息工程学院数学建模竞赛论文格式规范”） A题：肝癌手术治疗效果评价 肝癌是我国第二常见的癌症，很多人在发现肝癌时就已经是肝癌中晚期了，而肝癌手术治疗是中晚期肝癌的首选疗法。选取某医院10年来肝癌病例总共4860例，每个病例有病人近80个信息，其中包括患者病历号、性别、年龄、学历、职业、住址、基本病史、临床体征、恶性肿瘤分类、实验室检验指标、影像学检查等，经过数据预处理，选取其中20个有代表性的样本，选取对预后有影响的l0个指标如 REF _Ref344877159 \h \* MERGEFORMAT 表1 表1 预处理后样本数据 X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 DECISION mid branch negative negative rightliver middle dilation part no less Y mid trunk positive positive rightliver middle infiltration no have much N serious no negative positive leftliver big dilation no no much Y no no negative negative allliver verybig dilation integrate no much Y light branch positive positive rightliver small infiltration integrate have no N mid trunk positive negative rightliver middle infiltration part no no Y light branch positive negative rightliver small infiltration no have much Y no trunk negative positive allliver big dilation part no less N mid branch positive negative rightliver middle dilation integrate have less N no no negative positive rightliver verybig dilation part no no N serious trunk negative negative rightliver big infiltration integrate have less N light trunk positive negative allliver small dilation no no less Y no no negative positive rightliver verybig infiltration part no much N no branch negative negative allliver verybig infiltration integrate have no N serious branch positive positive rightliver big infiltration part have less Y mid no negative positive rightliver middle dilation integrate have much N mid branch negative negative rightliver middle dilation integrate no less N light trunk negative positive leftliver small infiltration no no no Y no trunk negative positive rightliver verybig infiltration no no no N no no positive positive rightliver verybig dilation part no less Y 各指标项说明见表2 A题共2页，这是第1页 表2 指标变量说明 变量名 变量标示 变量说明 X1 食道静脉曲张 无(no)、轻(light)、中(mid)、重(serious) X2 门脉癌栓 无(no)、分支(branch)、主干(trunk) X3 HbsAg 阴性(negative)、阳性(positive)