Buscar
Mostrando ítems 21-30 de 14340
A Cohort Study of Caries Incidence and Baseline Socioeconomic, Clinical and Demographic Variables: A Kaplan-Meier Survival Analysis
(Quintessence Publishing Co Inc, 2013-01-01)
Purpose: To determine the incidence of dental caries and evaluate the influence of socioeconomic, clinical and demographic variables on the time for disease to appear in the permanent teeth after 3 years of follow-up.Materials ...
Um novo estimador exponencial por partes da curva de sobrevivência: um estudo comparativo
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Estatística - PPGEs, 2006-05-31)
In this work we revise the main basic concepts on survival analysis and reliability.
We present the most known nonparametric estimators of the survival function in the
presence of censured data. Their estimates are ...
Brain stem metastases treated with radiosurgery: prognostic factors of survival and life expectancy estimation
(ELSEVIER SCIENCE INC, 2009)
Background: The objective of this study is to study prognostic factors of survival and 3 stratification systems for life expectancy estimation in patients with brain stem metastases treated with radiosurgery.
Bayesian regularization for flexible baseline hazard functions in Cox survival models
(WILEY, 2021)
Fully Bayesian methods for Cox models specify a model for the baseline hazard function. Parametric approaches generally provide monotone estimations. Semi-parametric choices allow for more flexible patterns but they can ...
Kaplan-Meier estimator in competing risk contexts
(Hacettepe University, 2016)
Estimation of the mean quality-adjusted survival using a multistate model for the sojourn times
(ELSEVIER SCIENCE BV, 2008)
In clinical trials, it may be of interest taking into account physical and emotional well-being in addition to survival when comparing treatments. Quality-adjusted survival time has the advantage of incorporating information ...
Técnicas de análise de sobrevidaSurvival analysis techniques
(-Brasil-, 2019)
Impact of the time interval between primary melanoma excision and sentinel node biopsy: A systematic review and meta-analysis
(Elsevier, 2021)
Background: Obtaining a sentinel lymph node biopsy (SLNB) specimen is a standard staging procedure in
the management of cutaneous melanoma. However, there is no consensus on the safe time interval
between the primary ...
Prognostic factors in patients with jaw sarcomas
(Sociedade Brasileira de Pesquisa Odontológica, 2011)
The aim of this study was to identify the prognostic factors related to the survival of patients with sarcomas of the jaw treated in the Dr. Eduardo Caceres Graziani National Institute for Neoplastic Diseases, Lima, Peru. ...