Whoever in medical research started meaning to tell the manuscript author to report the 1st and 3rd #quartile along with the #median but instead telling her to use the #iqr interquartile range instead, which is the difference between 3rd and 1st quartile?
People doing #biostatistics have to cope with the fact that a well-defined statistical term means something different when used in medicine.
Wikipedia.org/wiki/interquartile_range