Fisher’s Exact Test

How can one tell if two variables are related?  If you have continuous variables, one can calculate a correlation.  What if one is analyzing a 2×2 contingency table?   What are is the likelihood of observing just such a distribution assuming the probability of being in the two groups is known? One way to determine this…

Walmart is the low-price leader

…at least when it comes to prescription drugs.  Health Pocket reports that the lowest cost Part D plan is the Humana/Walmart RX plan which charges a monthly premium of $12.60.  In 2013, AARP MedicareRX Saver Plus from UnitedHealthcare was the lowest cost plan and charged a premium of $15.  In 2014, however, the monthly premium…

MedTech in 2013 and beyond

How will medical technology (medtech) firms face the challenges of an evolving marketplace? Although the global medtech market is expected to grow 4.5% to $455 billion from 2011 to 2018, there is less growth anticipated in developed countries.  Today a review a report from PwC’s Health Research Institute (HRI) that provides some insight. Getting funding Having…