Analyzing Rates and Survival Data in Health Research
Автор: Stats Clinic
Загружено: 2025-12-30
Просмотров: 23
In this didactic lecture, we cover statistical methods for comparing rates and time-to-event outcomes, with a focus on applications in epidemiology and clinical research.
Topics include:
Poisson regression for count data
Using offsets to model rates and person-time
Interpretation of rate ratios
Core concepts in survival analysis (time origin, censoring, immortal person-time)
Kaplan–Meier survival curves and median survival
Comparing survival curves using the log-rank test
Cox proportional hazards models and interpretation of hazard ratios
Understanding and assessing the proportional hazards assumption
The lecture emphasizes conceptual understanding, interpretation, and appropriate method selection, with examples drawn from medical and public health research.
This session is designed for students and trainees in epidemiology, biostatistics, public health, and clinical research, and builds on prior knowledge of linear and logistic regression.
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