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Pratique de Sas Windows ...9.3 Volume 2 - Ined

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Ce graphique avait pour but <strong>de</strong> représenter les courbes <strong>de</strong> survie pour les quatre cohortes. Les probabilités <strong>de</strong><br />

survie variant <strong>de</strong> 1 (à t 0) à 0,91 (à t 19 pour la cohorte 1992-1996 F), il était nécessaire <strong>de</strong> représenter l’axe y<br />

sur une échelle restreinte (0,85 au minimum) pour faciliter la lecture <strong>de</strong> ces courbes.<br />

La situation a changé en 9.2 (il y avait eu un rodage en 9.1.3), grâce à l’introduction <strong>de</strong> sorties graphiques dans toutes<br />

ces procédures :<br />

par exemple en <strong>Sas</strong>/STAT:<br />

ANOVA BOXPLOT CALIS CLUSTER CORRESP FACTOR FMM GAM GENMOD GLIMMIX GLM GLMPOWER GLMSELECT<br />

KDE KRIGE2D LIFEREG LIFETEST LOESS LOGISTIC MCMC MDS MI MIXED MULTTEST NLIN NPAR1WAY ORTHOREG<br />

PHREG PLM PLS POWER PRINCOMP PRINQUAL PROBIT QUANTREG REG ROBUSTREG RSREG SEQDESIGN SEQTEST<br />

SIM2D SURVEYFREQ SURVEYLOGISTIC SURVEYPHREG SURVEYREG TPSPLINE TRANSREG TTEST VARCLUS<br />

VARIOGRAM<br />

outre les CORR FREQ UNIVARIATE du <strong>Sas</strong> <strong>de</strong> BASE<br />

Des graphiques statistiques standard sortent maintenant dans toutes ces procédures statistiques comme<br />

fichiers distincts.<br />

3.5.2 La proc lifetest et ses aspects liés à l’ods<br />

Les tables template <strong>de</strong> la proc lifetest correspondante aux sorties possibles (<strong>de</strong> plus en plus nombreuses en<br />

9.3) sont les suivantes (extrait <strong>de</strong> la brochure <strong>Sas</strong>):<br />

ODS Tables<br />

BreslowEstimates<br />

CensoredSummary<br />

FlemingEstimates<br />

FlemingHomCov<br />

HomStats<br />

HomTests<br />

LifetableEstimates<br />

LogForStepSeq<br />

LogHomCov<br />

LogTestCov<br />

LogUniChisq<br />

Means<br />

ModPetoHomCov<br />

PetoHomCov<br />

ProductLimitEstimates<br />

Quartiles<br />

SurvDiff<br />

TaroneHomCov<br />

TrendScores<br />

TrendTests<br />

WilForStepSeq<br />

WilHomCov<br />

WilTestCov<br />

WilUniChisq<br />

Name Contents<br />

Breslow estimates<br />

Number of events and censored observations<br />

Fleming-Harrington estimates<br />

Covariance matrix for k-sample FLEMING statistics<br />

Rank statistics for testing strata homogeneity<br />

Tests for strata homogeneity<br />

Lifetable survival estimates<br />

Forward stepwise sequence for the log-rank statistics for association<br />

Covariance matrix for the log-rank statistics for strata homogeneity<br />

Covariance matrix for log-rank statistics for association<br />

Univariate chi-squares for log-rank statistics for association<br />

Mean and Standard Error of survival time<br />

Covariance matrix for k-sample MODPETO statistics<br />

Covariance matrix for k-sample PETO statistics<br />

Product-limit survival estimates<br />

Quartiles of the survival estimates<br />

Adjustments for multiple comparisons<br />

Covariance matrix for k-sample TARONE statistics<br />

Scores used to construct trend tests<br />

Results of trend tests<br />

Forward stepwise sequence for the log-rank statistics for association<br />

Covariance matrix for the Wilcoxon statistics for strata homogeneity<br />

Covariance matrix for the log-rank statistics for association<br />

Univariate chi-squares for the Wilcoxon statistic for association<br />

Et les statgraph (graphiques statistiques susceptibles d’être obtenus par une option <strong>de</strong> la procédure plots=)<br />

ODS Graph Name<br />

DensityPlot<br />

FailurePlot<br />

HazardPlot<br />

LogNegLogSurvivalPlot<br />

NegLogSurvivalPlot<br />

SurvivalPlot<br />

SurvivalPlot<br />

SurvivalPlot<br />

SurvivalPlot<br />

SurvivalPlot<br />

SurvivalPlot<br />

Plot Description<br />

Estimated <strong>de</strong>nsity for life-table method<br />

Estimated failure function<br />

Estimated hazard function for lifemethod or smoothed hazard<br />

for product limit, Breslow, or Fleming-Harrington method<br />

Log of negative log of the estimated survivor function<br />

Negative log of the estimated survivor function<br />

Estimated survivor function<br />

Estimated survivor function with number of subjects at risk<br />

Estimated survivor function with pointwise confi<strong>de</strong>nce limits<br />

Estimated survivor function with equal precision band<br />

Estimated survivor function with HallWellner band<br />

Estimated survivor function with homogeneity test p-value<br />

PLOTS=Option abrév<br />

PDF P<br />

SURVIVAL(FAILURE F)<br />

HAZARD H<br />

LOGLOGS LLS<br />

LOGSURV LS<br />

SURVIVAL S<br />

SURVIVAL(ATRISK=)<br />

SURVIVAL(CL)<br />

SURVIVAL(CB=EP)<br />

SURVIVAL(CB=HW)<br />

SURVIVAL(TEST)<br />

Je rappelle ici, en liaison avec ces noms, l’existence du ods trace on (V1_p118) <strong>de</strong>s ods select ou ods exclu<strong>de</strong><br />

(V1_p120) pouvant porter sur ces noms et <strong>de</strong> l’ods output (V1_p161-162) pour la capture <strong>de</strong> ces résultats sous<br />

forme <strong>de</strong> table <strong>Sas</strong>.<br />

125 INED Service Informatique Wielki

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