Time-to-event analysis

Survival analysis (or time-to-event analysis) deals with data where the outcome of interest is the length of time until the occurrence of an event. This type of analysis is unique because the event may not occur in all participants (known as censoring). A previous article in this journal covered the...

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Main Authors: Priya Ranganathan, Vishal Deo, C. S. Pramesh
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2025-04-01
Series:Perspectives in Clinical Research
Subjects:
Online Access:https://journals.lww.com/10.4103/picr.picr_52_25
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author Priya Ranganathan
Vishal Deo
C. S. Pramesh
author_facet Priya Ranganathan
Vishal Deo
C. S. Pramesh
author_sort Priya Ranganathan
collection DOAJ
description Survival analysis (or time-to-event analysis) deals with data where the outcome of interest is the length of time until the occurrence of an event. This type of analysis is unique because the event may not occur in all participants (known as censoring). A previous article in this journal covered the basic aspects of conventional survival analysis. In this article, we discuss two unique features – nonproportional hazards (PH) and competing risks.
format Article
id doaj-art-9788e7bfbdc64490b148e48bf85963de
institution DOAJ
issn 2229-3485
2229-5488
language English
publishDate 2025-04-01
publisher Wolters Kluwer Medknow Publications
record_format Article
series Perspectives in Clinical Research
spelling doaj-art-9788e7bfbdc64490b148e48bf85963de2025-08-20T02:58:00ZengWolters Kluwer Medknow PublicationsPerspectives in Clinical Research2229-34852229-54882025-04-0116210210510.4103/picr.picr_52_25Time-to-event analysisPriya RanganathanVishal DeoC. S. PrameshSurvival analysis (or time-to-event analysis) deals with data where the outcome of interest is the length of time until the occurrence of an event. This type of analysis is unique because the event may not occur in all participants (known as censoring). A previous article in this journal covered the basic aspects of conventional survival analysis. In this article, we discuss two unique features – nonproportional hazards (PH) and competing risks.https://journals.lww.com/10.4103/picr.picr_52_25kaplan–meier estimateproportional hazards modelsurvival analysis
spellingShingle Priya Ranganathan
Vishal Deo
C. S. Pramesh
Time-to-event analysis
Perspectives in Clinical Research
kaplan–meier estimate
proportional hazards model
survival analysis
title Time-to-event analysis
title_full Time-to-event analysis
title_fullStr Time-to-event analysis
title_full_unstemmed Time-to-event analysis
title_short Time-to-event analysis
title_sort time to event analysis
topic kaplan–meier estimate
proportional hazards model
survival analysis
url https://journals.lww.com/10.4103/picr.picr_52_25
work_keys_str_mv AT priyaranganathan timetoeventanalysis
AT vishaldeo timetoeventanalysis
AT cspramesh timetoeventanalysis