Multiprofessional Critical Care Review: Pediatric 2024 (MCCRCP24ON)-Biostatistics and Interpretation

Video Transcription

Video Summary

In this video, Leslie Durbin discusses various topics related to biostatistics and interpretation in pediatric critical care. She starts by explaining the different types of studies, including descriptive and analytic studies, as well as qualitative studies. She then goes into detail about analytic study designs, such as experimental and observational studies, including randomized controlled trials, cohort studies, case-control studies, and cross-sectional studies. Durbin also talks about outcome measurements and the different types of variables, such as binary, categorical, and continuous, and how to describe them using measures like proportions, odds, means, and medians. She then discusses properties of diagnostic tests, including sensitivity, specificity, positive predictive value, and negative predictive value, and how to calculate them using a two-by-two table. Durbin also explains the concepts of type 1 and type 2 errors, as well as power and p-values. She discusses different statistical tests and when to use them based on the type of data and study design. Durbin also touches on bias and confounding, and how to control for them in studies. She ends the video by discussing internal and external validity, and the importance of causal inference in establishing causality.

Keywords

Leslie Durbin

biostatistics

pediatric critical care

study types

analytic study designs

outcome measurements

variables

diagnostic tests

statistical tests

causal inference

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