interquartile range

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interquartile range

The middle 50% of a set of data. It represents all the data greater than or equal to the 25th percentile and less than or equal to the 75th percentile.
See also: range
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The time to resume work activities for the laparoscopic group was significantly (p-value 0.046) shorter (median 21.0 days; inter-quartile range 24 days) compared with that for the open repair group (32.5 days; 36 days).Results in table 2 shows the complications rate in both groups which shows that there was significantly greater complication rate in open mesh repair group (48.75% vs.
The median puncture site pain scores (ranged 0-10) were respectively 1 (inter-quartile range: 0-3) and 2 (inter-quartile range: 0-3) for the experimental and control groups (p=0.476, Table 2).
Table II shows the median ISS and inter-quartile range for all admissions, survivors and deaths.
Respondents estimated the proportion of hunters who reported rings as 60.0% (inter-quartile range: 30.0, N = 46 as eight people had no opinion).
The Inter-quartile range IQ = Upper quartile - lower quartile = 294.5 [?] 272.0 = 22.5,
For continuous variables (i.e., indoor temperature, barometric pressure, and humidity), medians and inter-quartile range were determined.
Data were available for 166 children (F: 102; M: 64) with a median age of 12.50 (inter-quartile range 10.00, 14.20) years.
The median BIS value was close to the target (median prediction error [approximately equal to] 1%) but the BIS was within 10 units of the target for only 87 minutes (standard deviation 9 min) of the 97 minutes (inter-quartile range 41-298 min) of closed-loop control.
The Inter-Quartile Range confirms this with a rise of 202% followed by a drop of 49% over a similar period.
Variables with non-Gaussian distribution included duration of disease, HOMA-IR and serum resistin levels which were determined using Mann-Whitney test and their median and inter-quartile range (IQR) were calculated.
Results: Data were available for 15 dentists (M: 7; F: 8), median age 25.00 (inter-quartile range 25.4, 27.2) years.
Range and inter-quartile range are presented to describe degree of inter-individual variation within the cohort.

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