La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Are survival estimates and models obtained by capture-recapture correct? A triple analysis of data with known dates of death (1999)
Auteurs :	Anne Viallefont, Auteur ; Samuel Kanyamibwa, Auteur ; Bernard Asselain, Auteur
Type de document :	Article
Dans :	Bird Study (46(Suppl.) 1999)
Article en page(s) :	S253-S260
Langues:	Anglais
Résumé :	We use data from a survey of women with metastatic breast cancer coming more or less regularly for check-ups as a real-size test of capture-recapture methodology and models. Unlike capture-recapture data of animals, the date of death of each individual is exactly known. The individuals were separated into four groups; the study lasted for 10 years separated into 32 visit occasions (one every fourth month). We analysed the data three times: once with standard survival analysis with known date of death (discrete-time proportional hazards models); once with capture-recapture models after removing the date of death (using \'live recapture\' records); and once with \'return rates\' corrected by later encounters of the individuals (\'minimum number alive\' estimates). Comparing the results obtained from the three methods confirms the efficiency of capture-recapture analysis.

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