Cross-validation choices can quietly reshape which variables Lasso selects in Cox models
A simulation study on real-world data from older adults found that the number of cross-validation folds, stratification and elastic net ...
Tag: Cox proportional hazards model
Older Age and Persistent H. pylori Infection Raise Odds of New Stomach Tumors After Curative Endoscopic Removal of Early Gastric Cancer
A retrospective cohort of 1,200 patients found that older age and persistent Helicobacter pylori infection were independently associated with metachronous ...
What Keeps Drug Companies Alive? Three Decades of Evidence Distilled
A systematic review of 58 studies published between 1995 and 2024 identifies 63 factors influencing pharmaceutical company survival, finding that ...
New Risk Calculator Predicts Cholesterol Spikes in Diabetes Patients
Researchers in Guangzhou have developed and externally validated a seven-variable nomogram that predicts one-, three-, and five-year risk of LDL-C ...
Rare Nose and Throat Cancer Is Quietly Changing in the United States, Two-Decade Analysis Finds
A two-decade SEER analysis of nearly 9,500 US patients shows nasopharyngeal carcinoma incidence declining modestly while its histologic makeup shifts ...
Rural Life, Low Weight and Late Diagnosis Drive Heart Defect Deaths in Ugandan Children
A five-year cohort study at Uganda's national heart institute finds that rural residence, underweight status, defect severity and late diagnosis ...
New Nomogram Predicts Lymphoma Blood Clots
In a significant advancement for oncology and hematology, researchers have developed a lymphoma-specific nomogram to predict the risk of venous ...
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