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The Lille Model is a medical modeling tool for predicting mortality in patients with alcoholic hepatitis who are not responding to steroid therapy. The model risk stratifies patients who have been receiving steroid treatment for seven days to predict who will improve and who should be considered for alternative treatment options including early referral for transplant.
A medical calculator is a type of medical computer software, whose purpose is to allow easy calculation of various scores and indices, presenting the user with a friendly interface that hides the complexity of the formulas. Most offer further information such as result interpretation guides and medical literature references. [1]
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MDCalc was founded by two emergency physicians, Graham Walker, MD, and Joseph Habboushe, MD, MBA, [5] and provides over 500 medical calculators and other clinical decision-support tools. [6] The MDCalc.com website was launched in 2005. [5] In 2016, MDCalc launched an iOS app, [7] followed by an Android app in 2017. [8]
The American Invitational Mathematics Examination (AIME) is a selective 15-question, 3-hour test given since 1983 to those who rank in the top 5% on the AMC 12 high school mathematics examination (formerly known as the AHSME), and starting in 2010, those who rank in the top 2.5% on the AMC 10.
The KR-20 may be affected by difficulty of the test, the spread in scores and the length of the examination. In the case when scores are not tau-equivalent (for example when there is not homogeneous but rather examination items of increasing difficulty) then the KR-20 is an indication of the lower bound of internal consistency (reliability).
It is suggested that a general verbal learning component consistently accounts for about 35-40% of the total variance and consists of total free recall over the five trials of list A, semantic clustering free and cued recall (both short- and long-delays), and recognition hits. A second, "response discrimination" component has also been found in ...
Alternatively, the BBS can be used as a multilevel tool, with the risk of multiple falls increasing below a score of 45 and a significant increase below 40. [10] In the original study, the value of 45 points was used to calculate relative risk estimates to demonstrate predictive validity, [2] and a score of 45 has been shown to be an appropriate cut-off for safe independent ambulation and the ...