Sample sizes for single-stage phase II clinical trials in the literature are often based on exact (binomial) tests with levels of significance (alpha (α) <5% and power >80%). This is because there is ...

What is Fisher's exact test? Fisher’s exact test is a statistical hypothesis test used to assess the association between two binary variables in a contingency table and is particularly useful when ...

April 18 (Reuters) - Exact Sciences Corp said its molecular screening test for colorectal cancer met a late-stage trial goal of detecting the disease in more patients than other commonly used tests, ...

A colorectal cancer blood test candidate from Exact Sciences fell short in its pivotal study, but the company is still in the hunt to provide an alternative to the liquid biopsy that was first to ...

Choosing the proper sample size for an investigation is one of the crucial jobs required of a statistician. Regardless of whether the statistician is deciding the number of patients to select in a ...