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she suspected that info in health records were of bad quality. If you search for a person a lot of info is not filled in and so on. she wanted to find out how bad ithe quality was. check quality of info in halth records. Endre worked with her with deidentifying data (dates and so on). prob: dates were not formated in the same way. one patient could have several ids.
Ingrid:
ta hensyn til induvidual (legen). suggestions for icd-10 codes - red, green and so on