UK Biobank difference in number of patients diagnosed in field 41270 vs extracted phenotypes.
I have been having difficulties in developing a phenotype file.
I am mainly focussed on the data-field 41270 in the UK Biobank.
The main diagnosis I am after is Parkinson's disease coded as G20. The 41270 datafield has 3447 patients with the diagnosis. see first image.
The phenotype file was extracted as follows:
ukbconv ukb43007.enc_ukb txt -s41270 txt
However, when I compare it against the extracted phenotype file. ukb43007.txt and ran a grep command, it only shows 1938 patients with the G20 diagnosis. (see second image)
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Jalil Sharif •
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Have you refreshed your basket? ICD10 diagnoses is an ongoing phenotype. Depending on your version, your number might differ (the information on the web image show that the version is jun 2021)
thank's will check with the PI.