Free A00-282 Exam Questions - Easiest Way for Success

In a clinical study comparing the time to event (such as time to relapse) between two different treatments, what SAS procedure would you use to estimate the survival function and compare the survival times between the two groups?

During a clinical trial, data were collected on a nominal categorical variable indicating patients' blood type (Type A, Type B, Type AB, Type O). The goal is to analyze the distribution of blood types among patients who experienced an adverse event versus those who did not. Which of the following statistical methods BEST suits the objective of comparing the distribution of a nominal categorical variable across two independent groups?

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?

When using PROC REPORT to summarize clinical trials data, you want to add a summary row at the end of each BY group as well as a grand total at the end of the report. Which combination of BREAK and RBREAK statements would correctly achieve this?

A clinical trial analyst needs to create a Kaplan-Meier survival plot to visualize the time-to-event data for different treatment groups. Which PROC step should the analyst use, and what is the key statement to differentiate the treatment groups in the graph?