Results 41 to 50 of about 1,031,416 (263)
Ensemble Variability as a Signal of Confounding in Medical Imaging Models
Machine Learning and Knowledge ExtractionMachine learning models for medical image analysis are vulnerable to hidden confounders, which can compromise generalization and clinical reliability. Existing detection strategies typically require explicit knowledge or labels of the confounder, which ...
Uma M. Lal-Trehan Estrada +4 more
doaj +1 more source
Confounding factors for case exclusion.
, 2014 Note: 55 dogs in total were excluded during case filtering because of confounding clinical factors. More than one confounding factor was found in some dogs.Confounding factors for case exclusion.
Connie Chuang (634419) +7 more
core +1 more source
Referral Patterns and Diagnostic Timeliness in Pediatric Cancer: A Hospital‐Based Study in Indonesia
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Timely diagnosis and treatment are critical for improving survival among children with cancer. In low‐ and middle‐income countries (LMICs), delays are common and may be influenced by fragmented referral pathways and diagnostic limitations.
Nur Melani Sari +5 more
wiley +1 more source
Evidence-Based ToxicologyBias assessment in systematic reviews of observational studies commonly includes consideration about whether key confounders were controlled but rarely evaluates whether control strategies may have introduced bias through control of colliders or ...
Brayan Alexander Fonseca Martinez +4 more
doaj +1 more source
Statins and Mortality in COPD: A Methodological Review of Observational Studies
COPD, 2023 Randomized controlled trials and observational studies have reported conflicting results on the potential beneficial effects of statins on mortality in patients with chronic obstructive pulmonary disease (COPD).
Naheemot Olaoluwa Sule, Samy Suissa
doaj +1 more source
Confounding in Health Research
, 2001 ▪ Abstract Consideration of confounding is fundamental to the design, analysis, and interpretation of studies intended to estimate causal effects. Unfortunately, the word confounding has been used synonymously with several other terms, and it has been ...
Hal Morgenstern, Sander Greenland
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Reduced bone mineral density (BMD) has been reported in survivors of childhood and young adult acute lymphoblastic leukaemia (ALL); however, data from cohorts treated with contemporary protocols and including matched controls remain limited.
Karen Schow Jensen +10 more
wiley +1 more source
Recovery and inference of causal effects with sequential adjustment for confounding and attrition
Journal of Causal InferenceConfounding bias and selection bias bring two significant challenges to the validity of conclusions drawn from applied causal inference. The latter can stem from informative missingness, such as in cases of attrition.
de Aguas Johan +3 more
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Pediatric intramedullary low‐grade gliomas (PIMLGGs) are rare neoplasms that present unique clinical and management challenges. Although surgery remains the primary tool for tissue diagnosis and decompression, complete gross‐total resection is frequently unfeasible due to the infiltrative nature of these lesions.
Olga M. Sergeenko +5 more
wiley +1 more source