An Introduction to Survival Analysis Using Stata

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1、AnIntroductiontoSurvivalAnalysisUsingStataThirdEditionMARIOCLEVESDepartmentofPediatricsUniversityofArkansasMedicalSciencesWILLIAMGOULDStataCorpROBERTOG.GUTIERREZStataCorpYULIAV.MARCHENKOStataCorpfiAStataPressPublicationStataCorpLPCollegeStation,TexasContentsListofTablesxiiiL

2、istofFiguresxvPrefacetotheThirdEditionxixPrefacetotheSecondEditionxxiPrefacetotheRevisedEditionxxiiiPrefacetotheFirstEditionxxvNotationandTypographyxxvii1Theproblemofsurvivalanalysis11.1Parametricmodeling21.2Semiparametricmodeling31.3Nonparametricanalysis51.4Linkingthethreeap

3、proaches52Describingthedistributionoffailuretimes72.1Thesurvivorandhazardfunctions72.2Thequantilefunction102.3Interpretingthecumulativehazardandhazardrate132.3.1Interpretingthecumulativehazard132.3.2Interpretingthehazardrate152.4Meansandmedians163Hazardmodels193.1Parametricmo

4、dels203.2Semiparametricmodels213.3Analysistime(timeatrisk)24viContents4Censoringandtruncation294.1Censoring294.1.1Right-censoring304.1.2Interval-censoring324.1.3Left-censoring344.2Truncation344.2.1Left-truncation(delayedentry)344.2.2Interval-truncation(gaps)354.2.3Right-trunc

5、ation365Recordingsurvivaldata375.1Thedesiredformat375.2Otherformats405.3Example:Wide-formsnapshotdata446Usingstset476.1Ashortlessonondates486.2Purposesofthestsetcommand516.3Syntaxofthestsetcommand516.3.1Specifyinganalysistime526.3.2Variablesdefinedbystset556.3.3Specifyingwhat

6、constitutesfailure576.3.4Specifyingwhensubjectsexitfromtheanalysis596.3.5Specifyingwhensubjectsentertheanalysis626.3.6Specifyingthesubject-IDvariable656.3.7Specifyingthebegin-of-spanvariable676.3.8Convenienceoptions707Afterstset737.1Lookatstset'soutput737.2Listsomeofyourdata7

7、67.3Usestdescribe777.4Usestvary78Contentsvii7.5Perhapsusestfill807.6Example:Hipfracturedata828Nonparametricanalysis918.1Inadequaciesofstandardunivariatemethods918.2TheKaplan-Meierestimator938.2.1Calculation938.2.2Censoring968.2.3Left-truncation(delayedentry)978.2.4Interval-tr

8、uncation(gaps)998.2.5Relationshiptotheempiricaldistributionfunction9