[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$flq-FZGDkrCVsrhtHZJjEXOvxflgc8niAn6GjhQRZRcY":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":18,"origin":110,"createTime":20},95895453,"v1","[单选题]某医师希望研究病人的年龄age、性别sex(0为女性、1为男性)、心电图检验是否异常ecg(ST段压低、0为正常、1为轻度异常、2为重度异常)与冠心病ca是否(冠心病=1,对照=0)有关,以下logistic回归分析的结果.下表对ecg的分析结果说明什么?\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7103c1321fea70f079b5e98a01fee64f.jpg\">",[8,9,10,11],"ecg与冠心病发病无关","ST段异常程度与冠心病发病风险呈负相关","ST段正常的的发病风险最高","ST段重度异常总体发病风险最高",[],[14,21,31,41,52,62,73,83,94,104],{"id":4,"source":5,"question":6,"options":15,"answer":16,"related":17,"type":18,"origin":19,"createTime":20},[8,9,10,11],[],[],0,null,"2023-08-28T21:59:16+08:00",{"id":22,"source":5,"question":23,"options":24,"answer":29,"related":30,"type":18,"origin":19,"createTime":20},95895454,"[单选题]在logistic回归分析中,其他条件不变时,结局变量从0(对照组)、1 (病例组)改为2(对照组)、1(病例组),探讨性别对结局的影响,关于\"性别\"变量的OR值,下列说法正确的是____",[25,26,27,28],"OR值保持不变","OR值变为原来的一半","OR值变为原来的2倍","OR值变为原来的倒数",[],[],{"id":32,"source":5,"question":33,"options":34,"answer":39,"related":40,"type":18,"origin":19,"createTime":20},95895455,"[单选题]某医师希望研究病人的年龄age、性别sex(0为女性、1为男性)、心电图检验是否异常ecg(ST段压低、0为正常、1为轻度异常、2为重度异常)与冠心病ca是否(冠心病=1,对照=0)有关,以下logistic回归分析的结果.\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F8e5751140893da8d1977ab7959c0aa91.jpg\">其中,对age的分析结果说明什么",[35,36,37,38],"age与冠心病发病无关","年龄越小,总体发病风险越高","年龄越大,总体发病风险越高","年龄与冠心病发病风险呈负相关",[],[],{"id":42,"source":5,"question":43,"options":44,"answer":50,"related":51,"type":18,"origin":19,"createTime":20},95895456,"[单选题]在logistic回归分析中,其他条件不变时,如果不设置哑变量,自变量\"性别\"赋值由0、1改变为0、2,则关于\"性别\"变量的回归系数,下列说法正确的是 ____",[45,46,47,48,49],"回归系数值保持不变","回归系数值变为原来的一半","回归系数值变为原来的2倍","回归系数值变为原来的2的二分之一倍(就是","开根号) E、 回归系数值变为原来的e2(e的平方)倍",[],[],{"id":53,"source":5,"question":54,"options":55,"answer":60,"related":61,"type":18,"origin":19,"createTime":20},95895457,"[单选题]某医师希望研究病人的年龄age、假如性别sex(1为女性、0为男性)、心电图检验是否异常ecg(ST段压低、0为正常、1为轻度异常、2为重度异常)与冠心病ca是否(冠心病=1,对照=0)有关,以下logistic回归分析的结果.下表对性别的分析结果说明什么?\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002F7103c1321fea70f079b5e98a01fee64f.jpg\">",[56,57,58,59],"冠心病与性别发病无关","男性的发病风险高于女性","女性的发病风险高于男性","还不能说明男性与女性发病风险有关",[],[],{"id":63,"source":5,"question":64,"options":65,"answer":71,"related":72,"type":18,"origin":19,"createTime":20},95895458,"[单选题]Logistic回归分析中的回归系数与优势比OR值的关系为",[66,67,68,69,70],"若β>0则OR\u003C1","若β>0则OR\u003C0","若β\u003C0则OR\u003C1","若β\u003C0则OR\u003C0","若β=0则OR=0",[],[],{"id":74,"source":5,"question":75,"options":76,"answer":81,"related":82,"type":18,"origin":19,"createTime":20},95895459,"[单选题]Logistic 回归按照反应变量的类型可以分为( )",[77,78,79,80],"两分类反应变量的 Logistic 回归","多分类有序反应变量的 Logistic 回归","多分类无序反应变量的 Logistic 回归","以上都包括",[],[],{"id":84,"source":5,"question":85,"options":86,"answer":92,"related":93,"type":18,"origin":19,"createTime":20},95895460,"[单选题]在Logistic回归分析中,某等级变量赋值为1、2、3、4,如果该变量增大1个单位对应的OR值为3.0,则4水平相对于1水平的OR值约为(假定该等级变量具有线性剂量效应关系)",[87,88,89,90,91],"12.0","e4(e的4次方)","27.0","e3(","的3次方)",[],[],{"id":95,"source":5,"question":96,"options":97,"answer":102,"related":103,"type":18,"origin":19,"createTime":20},95895461,"[单选题]关于Logistic回归分析方法的叙述,下列哪一项不恰当",[98,99,100,101],"反应变量是有序或无序的分类变量","Logistic回归模型是一种概率型非线性回归模型","如果某自变量的回归系数为负值,则其相对应的OR值小于1","Logistic回归模型的自变量不能是数值变量,只能是有序和无序的分类变量",[],[],{"id":105,"source":5,"question":106,"options":107,"answer":108,"related":109,"type":18,"origin":19,"createTime":20},95895462,"[单选题]在logistic回归分析中,其他条件不变时,如果不设置哑变量,自变量\"性别\"赋值由0、1改变为0、-1,则关于\"性别\"变量的OR值,下列说法正确的是____",[25,26,27,28],[],[],{"courseName":111,"courseImg":112,"workName":113,"workId":114,"count":115,"courseId":116},"医学统计学研究生网课","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F31fffd9b1ab8ed93a1abd0aec5eb6142.jpg","logistic回归测试题","58514873310049419504ecc43e590a81",34,"9cacde884633de0ebe1da7977ec48ec6"]