A SAS programmer needs to perform a one-way ANOVA to compare mean blood pressure levels across three different treatment groups. The dataset 'clinic_bp' contains variables 'treatment' (categorical variable for treatment groups) and 'bp' (continuous variable for blood pressure measurements). Which SAS procedure should the programmer use to produce the appropriate analysis?

A clinical trial dataset contains multiple records per subject due to repeated measurements over time. You are tasked with summarizing the number of adverse events (AE) experienced by each subject, categorized by severity (Mild, Moderate, Severe), while accounting for the visit at which the event occurred. Which SAS procedure will allow you to obtain a summarized count of AEs by severity for each visit for all subjects?

Which key organization is responsible for oversight and approval of clinical trials in the United States, ensuring that they are conducted according to regulatory requirements to safeguard participant health and collect reliable data?

During the execution of a SAS program, the programmer wants not only to display each step generated by macro execution but also to show the values of macro variables at execution time. Which combination of system options should the programmer use?

In a clinical study report using SAS, you need to capture attributes such as style elements associated with a Kaplan-Meier survival plot generated by PROC LIFETEST. You've enabled ODS TRACE. After running the procedure, which output object listed in the ODS trace output would you look into for the survival plot details?