{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T16:27:39Z","timestamp":1759940859077},"reference-count":17,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2004,5,24]],"date-time":"2004-05-24T00:00:00Z","timestamp":1085356800000},"content-version":"vor","delay-in-days":1361,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Biometrics"],"published-print":{"date-parts":[[2000,9]]},"abstract":"<jats:p><jats:bold>Summary. <\/jats:bold> In this paper, we present new nonparametric estimators of the stage\u2010occupation probabilities in the three\u2010stage irreversible illness\u2010death model. These estimators use a fractional risk set and a reweighting approach and are valid under stage\u2010dependent censoring. Using a simulated data set, we compare the behavior of our estimators with previously proposed estimators. We also apply our estimators to data on time to Pneumocystis pneumonia and death obtained from an AIDS cohort study.<\/jats:p>","DOI":"10.1111\/j.0006-341x.2000.00841.x","type":"journal-article","created":{"date-parts":[[2004,5,24]],"date-time":"2004-05-24T15:36:17Z","timestamp":1085412977000},"page":"841-847","source":"Crossref","is-referenced-by-count":25,"title":["Nonparametric Estimation for the Three\u2010Stage Irreversible Illness\u2013Death Model"],"prefix":"10.1093","volume":"56","author":[{"given":"Somnath","family":"Datta","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Glen A.","family":"Satten","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susmita","family":"Datta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2004,5,24]]},"reference":[{"key":"e_1_2_1_2_1","first-page":"15","article-title":"Nonparametric inference in connection with multiple decrement models","volume":"3","author":"Aalen O. 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