📘 Parametric vs Non-Parametric: What's Realer ? In clinical epidemiology and biostatistics, selecting the appropriate statistical test...

🧠 The Hidden Weak Links That Power Science Ask yourself: “What’s something we all  do in clinical research—but never truly question?”...

🧪 What is Regression in Simple Terms? Regression  is a statistical method used to understand and quantify the relationship  between one...

Introduction When analyzing binary outcomes in clinical epidemiology—such as the presence or absence of a disease—choosing the...

Introduction In clinical epidemiology, the concept of risk  serves as a foundational pillar for evaluating disease frequency, identifying...

🔶 LR⁺ (Likelihood Ratio for a Positive Test) 📌 Definition The ratio of the probability of a positive test in someone with  the disease...

🎯 Purpose In clinical trials and observational studies, it's often necessary to compare change scores  (e.g., improvement in blood...

🎯 Purpose In clinical research and meta-analysis, it's common to have results from subgroups  (e.g., age strata, treatment arms,...

🎯 Purpose In meta-analyses, especially of clinical studies, researchers often encounter studies reporting medians, ranges, and quartiles...

Meta-analysis often requires mean and standard deviation (SD) , but studies frequently report incomplete data . This guide teaches how to...

🔍 Definitions Relative Difference (RD)  quantifies the proportional change  between two groups, typically relative to a baseline or...

✅ Short Answer: Yes, approximately —but only under strong assumptions , such as a symmetric or normal distribution . Several methods...

✅ Short Answer No, relative difference  (RD) is fundamentally based on means , ratios , or changes in mean values , and cannot be...

Introduction In clinical research, understanding how health outcomes are associated with predictors such as age, treatment, or biomarker...

Introduction This recap outlines the set of Stata commands employed in clinical regression workflows, particularly for anthropometric and...

Introduction Clinical research has evolved significantly, with increasingly complex datasets and nuanced research questions. Basic...

Introduction Rare diseases, despite affecting small patient populations, pose large-scale challenges for healthcare systems due to...

Introduction As healthcare decision-making increasingly relies on economic evidence, the ability to critically appraise economic...

Introduction In health economics, decisions are rarely made under conditions of perfect certainty. Clinical outcomes, cost estimates, and...

Introduction Healthcare decisions—whether at the bedside or in national policy—often require a systematic way to weigh options under...

Introduction Health systems worldwide confront an increasingly complex matrix of clinical innovation, economic pressure, and population...

Introduction Systematic reviews are a cornerstone of evidence-based medicine. They collate findings from multiple studies to address...

Introduction Systematic reviews synthesize empirical evidence to guide clinical and policy decisions. However, the validity of their...

🦠 Common Parasites & First-Line Treatments Disease Causative Agent Drug of Choice Dose & Notes Strongyloidiasis Strongyloides...