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From: | Jim Busser |
Subject: | Re: [Gnumed-devel] measurement tooltip |
Date: | Sat, 20 Jun 2009 19:31:22 -0700 |
On 20-Jun-09, at 9:33 AM, Karsten Hilbert wrote:
I like the concept of "times" the upper limit (or % of lower limit) (maybe % of mid-reference range) I have only ever seen *clinical* reference made to "times the upper limit". I have never come upon a reference guideline clinical value for "deviates" as in the "delta"... clinically, I have only seen "times", for example with the assessment of incidentally elevated liver transaminases (AST, ALT), which some guidelines say should need to be sustained > 3 months at > 1.5x upper limit of normal to warrant chronic hepatitis testing: Postscripts: 1. Suggest leaving out "of normal" and simply say "upper limiti since, in some cases, we are talking a (therapeutic) "reference range" or (in patients in whom we have customized the values) we have set a "target range" (for example goal INR or, as the world gets obese or anorexic we may set a goal weight). |
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