PMID: 9191532Jun 15, 1997Paper

A comparison of different staging systems predictability of patient outcome. Thyroid carcinoma as an example

Cancer
J D BrierleyB O'Sullivan

Abstract

There is no consensus regarding the comparison of staging classifications. Recently, numerous staging classifications for thyroid carcinoma have been described. This study was performed to evaluate the relative discriminating ability of these different staging systems. A literature review was conducted to identify the available staging classifications used for thyroid carcinoma. To compare the various staging classifications, cause specific survival data from a retrospective review of 382 patients with papillary and follicular thyroid carcinoma treated at Princess Margaret Hospital were applied to the various staging classifications. The ability of these classifications to distinguish the stage groupings were compared in the following ways: 1) tabulating the numbers of patients within each stage group; 2) collapsing stage groupings into high and low risk groups and calculating mortality rates at 10 and 15 years; 3) summing observed deviations at 5, 10, and 15 years; and 4) calculating the proportion of variance explained (PVE) for each staging classification, using each classification separately as a prognostic factor in a Cox regression model. The application of the PVE model, the only method of the four that used statistical ...Continue Reading

Citations

Jun 5, 2013·Thyroid : Official Journal of the American Thyroid Association·Donald S A McLeodUNKNOWN The National Thyroid Cancer Treatment Cooperative Study Group
Apr 17, 2007·Annals of Surgery·Brian Hung-Hin LangKoon-Yat Wan
Jun 27, 2007·Annals of Surgery·Brian Hung-Hin LangKing-Yin Lam
Oct 30, 1999·Clinical Otolaryngology and Allied Sciences·R M WalshJ Franklyn
Aug 24, 2002·Thyroid : Official Journal of the American Thyroid Association·Leonard Wartofsky, UNKNOWN rhTSH-Stimulated Thyroglobulin Study Group
Jul 12, 2003·Thyroid : Official Journal of the American Thyroid Association·Alessandro AntonelliEle Ferrannini
Mar 11, 2004·Thyroid : Official Journal of the American Thyroid Association·Natascha DöbertFrank Grünwald
Jan 15, 2005·Thyroid : Official Journal of the American Thyroid Association·Jen-Der LinChuen Hsueh
Jun 3, 2005·Thyroid : Official Journal of the American Thyroid Association·Nikola BesicSnjezana Frkovic-Grazio
Jan 20, 2006·Thyroid : Official Journal of the American Thyroid Association·David S CooperUNKNOWN American Thyroid Association Guidelines Taskforce
Mar 18, 2008·Thyroid : Official Journal of the American Thyroid Association·Roberta RossiEttore C Degli Uberti
Mar 16, 2000·Thyroid : Official Journal of the American Thyroid Association·J C SissonD P Normolle
Jan 31, 2007·Thyroid : Official Journal of the American Thyroid Association·David C Howlett
Oct 29, 2009·Thyroid : Official Journal of the American Thyroid Association·UNKNOWN American Thyroid Association (ATA) Guidelines Taskforce on Thyroid Nodules and Differentiated Thyroid CancerR Michael Tuttle
Oct 31, 2012·Thyroid : Official Journal of the American Thyroid Association·Ronnie Meiyi WongGlenn D Braunstein
Jun 27, 2002·Expert Opinion on Pharmacotherapy·Niki KaravitakiNicolaos Thalassinos
Feb 1, 2013·TheScientificWorldJournal·Raghunandan Venkat, Marlon A Guerrero
Dec 2, 2008·Otolaryngologic Clinics of North America·John Y Jun, Andrea Manni
Dec 19, 2009·World Journal of Surgery·Panchagan Rama Kant BhargavSaroj Kanta Mishra

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