Bhupinder The only values we are not wanting to show are those that are wrong - and have been changed in a later version. The idea behind this is to store the information in an openEHR system inside the Pathology service and then send an extract - rather than develop a lot of messages.
Cheers, Sam > -----Original Message----- > From: owner-openehr-technical at openehr.org > [mailto:owner-openehr-technical at openehr.org]On Behalf Of Bhupinder Singh > Sent: Sunday, 26 October 2003 11:50 PM > To: Thomas Beale; Openehr-Technical > Subject: Re: Pathology requirements TIMED MEASUREMENTS > > > What you say is one possibility. > What is important is when there are two results out of the > scenario and the > readings are different. Would it be correct to take a mean. The difference > in the reading may be on account of a number of causes starting from > --Machine error > --Human Error etc. > The question is that there is a difference and this needs to be > gone into in > fact this requires to be highlighted and not covered through a mean value > generated. Graphical representation should show both values and > leave it to > the clinician to decide what action he prefers to take. Textual display > should show both values too. > > Bhupinder > > ----- Original Message ----- > From: "Thomas Beale" <thomas at deepthought.com.au> > To: "Openehr-Technical" <openehr-technical at openehr.org> > Sent: Friday, October 24, 2003 4:29 AM > Subject: Re: Pathology requirements TIMED MEASUREMENTS > > > > Bhupinder Singh <bobdog at sancharnet.in> wrote: > > > > > Dear Sam, > > > What you say is correct. > > > In clinical practice it is also possible that the same sample > is sent to > two > > > labs for the same test and the protocol followed by both the labs is > same so > > > is the est method and the unit of reporting. The sample date > and time is > the > > > same. These two results have to be viewed and stored. Thus > there should > be a > > > method to store and retrieve values where the date and time of sample > and > > > the test type and method and the UOM is the same needs to be > available. > > > Eg Blood Sugar reporting unit and test method are the same so is the > date > > > and time of the sample. > > > Bhupinder > > > > this is an inteersting scenario actually, since even if there are two > > perfectly legitimate test results (let's say submitted to the EHR a day > after > > each other) they don't really represent distinct results - they are the > same > > result (presumably) submitted at same or different times. Wen doing > > statistical or other queries we have to be careful - if we draw > the values > on > > a graph for example of bsl over last five days, there might be > two values > at > > the one timepoint (where the timepoints are the times of taking samples, > not > > doing the test - i.e. the biologically significant point in > time). One way > to > > look at thist situation is to say that all test results where there is > just a > > single result are just a special case of a statistical testing situation > in > > which at any point in "body time", a sample might be tested any > number of > > times (and more than one sample might be made as well) - giving a > > constellation of results. Where there are multiple results for the one > > biological timepoint, we could consider it as a statistical > strengthening > of > > the confidence in the result. Probably what applications processing the > > results should do is consider N results at the same biological timepoint > to be > > the same as one, whoe value is the mean of the N, and whose > confidence is > some > > higher value than that attributed to single value samples. > > > > - thomas beale > > > > - > > If you have any questions about using this list, > > please send a message to d.lloyd at openehr.org > > > > - > If you have any questions about using this list, > please send a message to d.lloyd at openehr.org - If you have any questions about using this list, please send a message to d.lloyd at openehr.org
