Statistics

ORR (Objective Response Rate) and related statistics – Part 2 Odds Ratio

T.Y. - Dec 31, 2017 Comments Off

In last post, I described how to compute ORR (Overall Response Rate) for each group, usually treatment group in clinical trial industry. Here let’s move forward and see how to

SAS Statistics

ORR (Objective Response Rate) and related statistics – Part 1

T.Y. - Dec 31, 2017 Comments Off

For oncology studies, we need to compute ORR which stands for Overall Response Rate. It is one of efficacy endpoints for the approval of cancer drugs and biologics. And it

Statistics

A summary of CONTRAST, ESTIMATE and LSMEAN statement

T.Y. - Jul 30, 2017 2

In our last post, we only showed you how to use LSMEAN statement to compute LSMEAN and differences of LSMEAN. Today in this post, we will introduce the other two

Statistics

How to apply One Way ANOVA using PROC ANOVA and PROC GLM

T.Y. - Jul 27, 2017 1

Previously, we have introduced how to apply two sample test using SAS. What if we need to compare means between k (k >= 2) samples? Perhaps you will suggest that

Statistics

Efficay Points for Oncology study and background knowlwdge

T.Y. - Jul 22, 2017 Comments Off

It is well known that efficacy points for oncology study are difficult to understand. This post will present details about those efficacy points and related background knowledge. Generally speaking, efficacy endpoints for oncology

Statistics

How to apply two sample test using SAS

J.L. - Jun 15, 2017 Comments Off

In clinical trial, two-sample hypothesis testing is usually applied when testing if there is a difference between two means from two different populations receiving different treatments like placebo treatment and