Categorizing a prognostic variable: review of methods, code for easy implementation and applications to decision‐making about cancer treatments

M Mazumdar, JR Glassman - Statistics in medicine, 2000 - Wiley Online Library
… This paper reviews exploratory and systematic categorization methods whose combined …
continuous prognostic variable has been reasonably categorized (Section 2). These methods

Reporting methods in studies developing prognostic models in cancer: a review

S Mallett, P Royston, S Dutton, R Waters, DG Altman - BMC medicine, 2010 - Springer
methods used in developing prognostic models by a systematic review of 47 published
articles including prognostic models where the aim of the article was to develop a new prognostic

Systematic reviews of evaluations of prognostic variables

DG Altman - Bmj, 2001 - bmj.com
… , for which researchers use a wide variety of methods of analysis. … variation in prognosis
in relation to a single putative prognostic variable of interest (also called a prognostic marker or …

Statistical methods for the identification and use of prognostic factors

P Armitage, EA Gehan - International Journal of Cancer, 1974 - Wiley Online Library
… the predictor variables are discrete or continuous (or a combination of both types). Methods
of allowing for known prognostic variables in the analysis of a study are reviewed. These …

Systematic reviews of low back pain prognosis had variable methods and results—guidance for future prognosis reviews

JA Hayden, R Chou, S Hogg-Johnson… - Journal of clinical …, 2009 - Elsevier
methods, results, and conclusions. We will explore the potential impact of prognosis systematic
review methods … in the systematic review methods, and in the prognosis studies that each …

Methods for categorizing a prognostic variable in a multivariable setting

M Mazumdar, A Smith, J Bacik - Statistics in medicine, 2003 - Wiley Online Library
… is then fitted in a multivariable model along with the other already-established prognostic
Various methods are used for categorizing prognostic variables. The common formal method

Reporting performance of prognostic models in cancer: a review

S Mallett, P Royston, R Waters, S Dutton, DG Altman - BMC medicine, 2010 - Springer
… We reviewed published articles to assess the methods and reporting used to develop and
evaluate performance of prognostic indices and risk groups from prognostic models. Methods

Prognostic factors

W Sauerbrei - Current Research in Head and Neck Cancer, 2005 - karger.com
… In a review of prognostic and predictive factors in breast cancer, Gasparini [10] mentions ‘the
methodology of studies on prognostic and predictive indicators that are, at present, the most …

Prognostic factors and prognostic models for renal cell carcinoma: a literature review

T Klatte, SH Rossi, GD Stewart - World journal of urology, 2018 - Springer
… Despite significant developments in marker research and statistical methods, no clinically
significant advances in prognostic models were seen in the past decade. Molecular …

Prognostic variables and scores identifying the end of life in COPD: a systematic review

LJE Smith, E Moore, I Ali, L Smeeth… - … journal of chronic …, 2017 - Taylor & Francis
method of measurement of each prognostic variable, outcome definition and funding source.
The tool also included fields relevant to multivariate models based on the Critical Appraisal …