Categorical Data Analysis Using SAS, Third Edition, 3rd Edition

Chapter 13

Categorized Time-to-Event Data

Contents

13.1   Introduction

13.2   Life Table Estimation of Survival Rates

13.2.1   Computing Survival Estimates with the LIFETEST Procedure

13.3   Mantel-Cox Test

13.4   Piecewise Exponential Models

13.4.1   An Application of the Proportional Hazards Piecewise Exponential Model

13.4.2   Using PROC LOGISTIC to Fit the Piecewise Exponential Model

13.1 Introduction

Categorical data often are generated from studies that have time from treatment or exposure until some event as their outcome. Such data are known as time-to-event data. The event may be death, the recurrence of some condition, or the emergence of a developmental characteristic. Often, the outcome is the actual lifetime (or waiting time), ...