欢迎来到天天文库
浏览记录
ID:56972757
大小:156.50 KB
页数:38页
时间:2020-07-25
《医学统计学ppt英文课件CH01 introduction.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、PostgraduatebooksrecommendedbyDegreeManagementandPostgraduateEducationBureau,MinistryofEducationMedicalStatistics(the2ndedition)Arrangement:total72classhours,twoclasseseachweekchapter1IntroductionKeydefinitionsthestepsformedicalstatisticsBriefhistoryofStatisticsStatisticsThesciencefordataco
2、llection,sorting,andanalysis.Definition:thesciencethatstudythecollection,sortingandanalysisofmedicaldata.Characteristics:1、Usingthequantitytoreflectthequality2、Usingchanceevents(uncertainty)toreflecttheinevitability(rules)MedicalStatisticsLearningobjectives:1、BasicprinciplesandmethodsofStat
3、istics(LearningEmphasis)2、ApplicationStatistics——(ClinicalMedicine,PreventiveMedicine,andHealthCareManagement)MedicalStatisticsPurpose:atoolformedicalresearchEmphasis:statisticalindicatorsusedforcalculatingorcomparingthequantitativecharacteristicsofpopulationExample:healthexpectationinfantm
4、ortalityMedicalStatisticsSection1.KeydefinitionsⅠvariable,individual,sampleandpopulationindividual(observatoryunit):thebasicunitinstatisticalresearch,itdependsonthepurpose.variable(indicator):individualcharacteristicsexamples:height、weight、gender、bloodtype、treatmenteffectetc.Variablevalue:t
5、hevalueofvariablesExamples:height1.65metersweight52kggenderfemalebloodtype“O”laboratorytestnegativetreatmenteffectbetterData:composedofalotofvariablevalues.Example:Dataforbloodglucosehomogeneity:commoncharacteristicsforthegivenindividualsexample:theheightsoftheboyswiththeageof7livinginChang
6、sha2004variation:differenceexistingamongthevariablevaluesofhomogeneityindividualsexample:thedifferentheightsoftheboyswiththeageof7livinginChangsha2004Definition:thewholehomogeneityindividualsdeterminedbyspecificpurpose.example:alltheheightsofboysat7thatlivedinChangsha2004finitepopulation:th
7、espace,timeandpopulationforaspecificpopulationhavebeenlimited.infinitepopulation:notimeandspacelimitsforthepopulation.Suchpopulationsonlyexistinimagination,soitiscalledinfinitepopulation.populationdefinition:thesetofvariablevaluesofsomeindividualssampled
此文档下载收益归作者所有