Statistical Analysis Of Medical Data Using Sas.pdf Info
The file on her screen, SICKLE_TRIAL_V2.csv , was a mess of missing values, truncated fields, and inconsistent coding. It was the raw output from a three-year longitudinal study on a new gene therapy for Sickle Cell Disease. The pharmaceutical sponsor was threatening to pull funding unless the interim analysis showed "statistical significance" by Friday.
Before any analysis begins, medical data—which is often messy, incomplete, and unstructured—must be wrangled. The text emphasizes that 80% of a statistician's time is spent here. Statistical Analysis of Medical Data Using SAS.pdf
Medical outcomes are often binary (Dead/Alive, Cured/Not Cured). The file on her screen, SICKLE_TRIAL_V2