中医药统计学-题2

1山东中医药大学研究生试题姓名年级学号所属学院学位层次博士/硕士类别统招/在职课程名称医学统计学授课教师考试时间2014.12.29考试成绩四、计算分析题1(本题10分)某地测得200名健康成人的血汞值得频数分布如下，试估计该地健康成人血汞95%的参考值范围。（mg/100g）某地200名健康成人血汞值频数分布表血汞值频数0654810431536202825133014354404451502550601五、计算分析题2(本题10分)某研究者为比较耳垂血和手指血的白细胞数，调查9名成年人，同时采取耳垂血和手指血见下表，试比较两者的白细胞数有无不同？9名成人耳垂血和手指血白细胞数(109个/L）比较编号123456789耳垂血9.76.67.05.38.49.84.95.67.9手指血6.95.45.75.07.58.34.54.17.5六、计算分析题3(本题12分)2观察参苓降脂片对高脂血症模型大鼠甘油三酯（TG）的影响，将高脂血症大鼠随机分为4组，每组9只，对照组不给予任何处理，低剂量组、中剂量组和高剂量组分别灌服参苓降脂片0.41g/kg体重、0.82g/kg体重、1.23g/kg体重，连续给药20天后，测定各组大鼠TG水平，结果如下表，分析不同剂量的参苓降脂片降脂效果是否相同？各组大鼠TG测定结果表（mmol/L）对照组低剂量组中剂量组高剂量组0.810.500.340.270.920.540.330.230.820.480.320.300.870.490.400.250.910.470.420.240.830.550.370.190.860.450.310.240.920.520.320.230.900.520.400.26七、计算分析题4(本题13分)某医院将150例慢性乙型肝炎病人随机分为三组，分别用苦参素、干扰素和常规保肝治疗6个月，HBeAg转阴率的观察结果如下表，试比较三组疗效有无差别？三组疗效比较组别有效人数无效人数合计苦参素组173350干扰素组262450常规护肝组44050合计47103150八、计算分析题5(本题10分)某医生采用复方猪胆胶囊对治疗两种病情的慢性支气管炎病人的疗效进行比较，所得结果见下表，试比较两组差别有无统计学意义？两种病情的慢性支气管炎病人的疗效组别疗效（例数）治愈显效好转无效喘息型23836511单纯型609851123九、计算分析题6(本题15分)某研究者探索老年男性冠心病患者中血清总胆固醇（Y）与低密度脂蛋白（1X）、高密度脂蛋白（2X）、甘油三酯（3X）、体质指数（4X）间的线性关系，为冠心病的诊断与治疗提供更有意义的预测指标。测量了50名老年男性冠心病患者的血清总胆固醇、低密度脂蛋白、高密度脂蛋白、甘油三酯和体质指数，资料如下表，试对男性冠心病患者血清总胆固醇与低密度脂蛋白、高密度脂蛋白、甘油三酯、体质指数进行回归分析，并对67.21X、83.12X、59.13X、80.264X时总体血清总胆固醇进行预测。。50名老年男性冠心病患者血清学指标及体质指数的测量结果序号id低密度脂蛋白（mmol/L）高密度脂蛋白（mmol/L）甘油三酯（mmol/L）体质指数（Kg/m2）总胆固醇（mmol/L）1X2X3X4XY11.251.621.4721.803.4822.261.211.3922.203.4432.831.641.5622.804.8743.221.101.5921.804.6153.521.712.2528.105.4561.831.921.4729.603.9772.441.251.4320.303.8383.822.101.8723.706.2592.451.631.3326.004.18103.361.921.6733.405.73112.941.840.7420.704.31123.101.451.3421.604.82133.851.441.7626.506.03142.261.531.0225.503.88153.571.591.6627.105.28162.811.521.5425.004.56173.511.182.1527.205.22182.191.411.6825.104.27192.551.241.8925.004.47201.421.751.7024.203.52213.641.992.1528.205.42222.881.321.4521.604.25232.851.271.6328.004.16242.881.151.6430.704.334253.171.381.2926.404.61263.872.162.6324.906.15272.652.140.7220.104.84284.181.901.6628.606.49293.491.271.6726.005.52303.161.831.5034.205.16312.852.301.7820.005.57322.941.521.6926.404.51333.422.251.3819.405.67343.281.711.3026.105.14353.161.451.7423.704.69362.861.421.6728.604.21373.151.581.3127.604.63383.391.521.3526.205.19393.111.251.7030.804.58401.782.270.7024.004.01412.931.831.3626.003.99421.842.381.5225.404.45434.391.681.8325.106.17443.371.462.2526.105.72451.712.250.7316.803.88463.251.382.3430.105.16472.801.572.1127.104.92482.142.041.3928.904.31492.332.020.9120.204.63502.651.091.9428.104.46