IQR
Noun
Meaning
IQR
(statistics) Abbreviation of interquartile range.
Synonyms
Examples
It replaces 3.5σ of Scott's rule with 2 IQR, which is less sensitive than the standard deviation to outliers in data.
In other words, the IQR is the 1st quartile subtracted from the 3rd quartile; these quartiles can be clearly seen on a box plot on the data.
The IQR can be used to identify outliers (see below ).
The median patient age was 67 (IQR 47-81 years), 47% of included patients were women, and 43% had respiratory tract infections.