Medical Term:
international sensitivity index
Definition: the slope of the line of best fit relating the log prothrombin time obtained with a standard reagent to the log prothrombin time obtained with the working reagent for both normals and patients who receive stable oral anticoagulant therapy; the standard reagents used for this value assignment are reference preparations calibrated against the World Health Organization standard reagent.
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Examples: glitazone, GI cocktail, etc.
