Reconstructing Time-to-event Data from Published Kaplan–Meier Curves

Hazard ratios can be approximated by data extracted from published Kaplan–Meier curves. Recently, this curve approach has been extended beyond hazard-ratio approximation with the capability of constructing time-to-event data at the individual level. In this article, we introduce a command, ipdfc, to...

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Bibliographic Details
Published inThe Stata journal Vol. 17; no. 4; pp. 786 - 802
Main Authors Wei, Yinghui, Royston, Patrick
Format Journal Article
LanguageEnglish
Published Los Angeles, CA SAGE Publications 01.10.2017
Subjects
hazard ratios
st0498
Kaplan–Meier curves
ipdfc
time-to-event data
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Summary:Hazard ratios can be approximated by data extracted from published Kaplan–Meier curves. Recently, this curve approach has been extended beyond hazard-ratio approximation with the capability of constructing time-to-event data at the individual level. In this article, we introduce a command, ipdfc, to implement the reconstruction method to convert Kaplan–Meier curves to time-to-event data. We give examples to illustrate how to use the command.
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ISSN:1536-867X
1536-8734
DOI:10.1177/1536867X1701700402