Andrew Ho wrote: > >Yes, OIO forms can be adopted for a national database of clinical > >concepts. For example, the Philippines national cancer registry can create > >a set of OIO forms - each form describes the initial presentation of a > >cancer case at the time of first diagnosis. > > > >In this example, the top level "clinical concept" is "cancer case at the > >time of first diagnosis" - which is modeled via an OIO form. For example, > >the "Prostate Cancer Detected" form, the "Ovarian Cancer Detected" form, > >etc. > > > >Within each OIO form, there will be multiple "concepts" (=Question Items) > >that serve to describe each reported cancer case.
Hold on... Andrew, you are suggesting that there should be a separate form for each type of cancer? So in OIO data for each type of cancer is stored in a separate table? Say there are 50 types of cancer of interest (that's an underestimate). So to create a frequency distribution of type of cancer, I need to write a query which visits 50 tables? Sure it would be better to record type of cancer as an attribute on a single "cancer Case" form, and then record the particularities of each case on separate, specialised forms for prostate cancer, ovarian cancer etc. It is just that I can't see how one would do that using OIO. -- Tim C PGP/GnuPG Key 1024D/EAF993D0 available from keyservers everywhere or at http://members.optushome.com.au/tchur/pubkey.asc Key fingerprint = 8C22 BF76 33BA B3B5 1D5B EB37 7891 46A9 EAF9 93D0
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