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In a data set, the value that half the data points fall below and half the data points fall above. It is used along with the mean; it is not as influenced by extreme values as the mean.
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The middle number of a series. See also mean, which includes examples.

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References in periodicals archive ?
[5-8] However, to extract the possible compression, CSA of the median nerve at different levels would be more helpful.
The median nerve terminal latency index in carpal tunnel syndrome: a clinical case selection study.
Steroid injections into the wrist can decrease swelling around the median nerve, usually providing a short-term benefit of one to three months.
In the group of patients with diabetes, the average cross-sectional area of the median nerve was measured as 10.2[+ or -]2.9 [mm.sup.2] in the proximal region, 7.5[+ or -]1.9 [mm.sup.2] beneath, and 7.7[+ or -]1.8 [mm.sup.2] in the distal region of the transverse carpal ligament.
The total number of studies assessing postoperative sensory recovery with the median nerve used as the recipient nerve was 11, and the pooled sample size was 211.
In the history, occurrence of any of the following symptoms in the area of median nerve distribution suggests a high likelihood of CTS: dull aching discomfort in the hand, forearm or upper arm; hand paraesthesias; weakness or clumsiness of the hand; and dry skin, swelling or color changes in the hand.
When the characteristics of the median nerve sensory block were analysed, it was found that a suficient block level was obtained at the 6th minute for G1 group and 3rd minute for G2 group.
The median nerve was decompressed at the wrist (open carpal tunnel) and forearm (proximal median nerve, specifically the anterior interosseous nerve) along a path starting 3 cm distal to the elbow flexion crease and terminating approximately 3 cm proximal to the medial humeral epicondyle.
The most injured nerve was median nerve; this complication occurred in 15 patients (68%).
In CTS, the median nerve can be enlarged with the increase in its cross-sectional area (CSA) in the wrist level due to swelling proximal to the entrapment site.
Several bones and ligaments form the narrow carpal tunnel, through which the median nerve and the nine tendons that bend your fingers pass.