tag:blogger.com,1999:blog-393067768850767704.post6778479148287352503..comments2014-08-15T19:08:33.862-05:00Comments on Evidence Based Rehab: New Clinical Test for Meniscal TearsJason L. Harris, PT, DPThttp://www.blogger.com/profile/08892392535366579228noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-393067768850767704.post-74523237150416910982007-07-21T21:18:00.000-05:002007-07-21T21:18:00.000-05:00A Comment on the statistics, which appear very str...A Comment on the statistics, which appear very strong. <BR/><BR/>1. Often, a test that has high specificity (ie if positive rules the condition in) does so at the expense of sensitivity (ie if negative rules the condition out). This has both high specificity and sensitivity. Meaning, if positive they likely have a meniscal tear and if negative it's very likely the don't have a meniscal tear.<BR/><BR/>2. Likelihood rations (+ and -): These are a function of the specificity of the specificity and sensitivity. For Positive Likelihood ratios (+LR) anything over 10 is a "Large and often conclusive increase in the likelihood of disease" or condition. This test ranges from 22.9 for the lat meniscus and 26.9 for the med meniscus. That is a very large shift in positive likelihood. For the negative likelihood ratio, anything less than 0.1 is "Large and often conclusive decrease in the likelihood of disease".<BR/><BR/>Here is a good link that discusses + and - likelihood ratios is you want a greater explanation:<BR/>http://www.poems.msu.edu/InfoMastery/Diagnosis/likelihood_ratios.htm<BR/><BR/>Point is, this paper demonstrates a very significant statistically important test to rule in and even rule out meniscus tears. Add it to your diagnostic toolkit.Jason L. Harris, PT, DPThttps://www.blogger.com/profile/08892392535366579228noreply@blogger.com