Results 21 to 30 of about 882,801 (245)

Combining heterogeneous subgroups with graph-structured variable selection priors for Cox regression

open access: yesBMC Bioinformatics, 2021
Background Important objectives in cancer research are the prediction of a patient’s risk based on molecular measurements such as gene expression data and the identification of new prognostic biomarkers (e.g. genes).
Katrin Madjar   +3 more
doaj   +1 more source

Probabilistic methods for seasonal forecasting in a changing climate: Cox-type regression models [PDF]

open access: yes, 2010
For climate risk management, cumulative distribution functions (CDFs) are an important source of information. They are ideally suited to compare probabilistic forecasts of primary (e.g. rainfall) or secondary data (e.g. crop yields).
Maia, A.H.N., Meinke, H.B.
core   +3 more sources

MODEL REGRESI COX UNTUK MENGANALISIS PENGARUH FAKTOR ASUPAN MAKANAN TERHADAP RISIKO KEKAMBUHAN ENDOMETRIOSIS

open access: yesBarekeng, 2021
This research purpose is to analyze the relationship between food intake factors (fruit, soy, milk, caffeine, red meat, garlic, ginger, seafood, cheese, green tea, brown rice, wheat, potatoes, bean sprouts, mustard greens, soft drinks and alcohol) on ...
Ning Eliyati   +3 more
doaj   +1 more source

Cox regression in the problem of risky behavior parameter estimation based on the last episodes’ data

open access: yesSt. Petersburg Polytechnical University Journal: Physics and Mathematics, 2021
The article suggests an extension and refinement of the existing model for incomplete estimation of the person’s behavior characteristics using several last episodes of his risky behavior and including individual characteristics and other factors, in ...
Stoliarova Valeriia, Tulupyev Alexander
doaj   +1 more source

Bias of Maximum-Likelihood estimates in logistic and Cox regression models: A comparative simulation study [PDF]

open access: yes, 2003
Parameter estimates of logistic and Cox regression models are biased for finite samples. In a simulation study we investigated for both models the behaviour of the bias in relation to sample size and further parameters.
Bender, R.   +4 more
core   +2 more sources

Prognostic Factors on Survival of Rasoul-e-Akram Hospital Patients with Colorectal Cancer: A Survival Analysis [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2019
Introduction: Colorectal Cancer (CRC) also called colon cancer or intestine cancer is characterised by cancerous growth of cells in the rectum, colon and appendix.
Shahram Agah   +4 more
doaj   +1 more source

Immunohistochemical Expression of Five Protein Combinations Revealed as Prognostic Markers in Asian Oral Cancer

open access: yesFrontiers in Genetics, 2021
Oral squamous cell carcinoma (OSCC) has a high mortality rate (∼50%), and the 5-year overall survival rate is not optimal. Cyto- and histopathological examination of cancer tissues is the main strategy for diagnosis and treatment.
Hui-Ching Wang   +14 more
doaj   +1 more source

Identification of a 3-Gene Model as Prognostic Biomarker in Patients With Gastric Cancer

open access: yesFrontiers in Oncology, 2022
ObjectiveAlthough the incidence of gastric cancer (GC) is decreasing, GC remains one of the leading cancers in the world. Surgical resection, radiotherapy, chemotherapy, and neoadjuvant therapy have advanced, but patients still face the risk of ...
Siming Xue   +14 more
doaj   +1 more source

An exact corrected log-likelihood function for Cox's proportional hazards model under measurement error and some extensions [PDF]

open access: yes, 2002
This paper studies Cox`s proportional hazards model under covariate measurement error. Nakamura`s (1990) methodology of corrected log-likelihood will be applied to the so called Breslow likelihood, which is, in the absence of measurement error ...
Augustin, Thomas
core   +1 more source

Statistical methods for elimination of guarantee-time bias in cohort studies: a simulation study

open access: yesBMC Medical Research Methodology, 2017
Background Aspirin has been considered to be beneficial in preventing cardiovascular diseases and cancer. Several pharmaco-epidemiology cohort studies have shown protective effects of aspirin on diseases using various statistical methods, with the Cox ...
In Sung Cho   +6 more
doaj   +1 more source

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