PatientAge and PatientSex variables for a submission

Hello,

Age and gender are known severity factors. On the 2,000 provided patients, these variables obtain ROC-AUC scores of 62% and 56% respectively. Will image.GetMetaData('PatientAge') and image.GetMetaData('PatientSex') work on the submission server ?

I uploaded an algorithm and tried to run it using the "Try-out Algorithm" page. Unfortunately I get the following error :

3285.mha We could not import this file using any image builder, the error for each image builder is: Mhd image builder: Value '55' for field PatientAge does not match pattern ^\d{3}[DWMY]$ NifTI image builder: Not a NifTI image file NRRD image builder: Not a NRRD image file Dicom image builder: File is missing DICOM File Meta Information header or the 'DICM' prefix is missing from the header. Use force=True to force reading. Could not open file with tifffile. Could not open file with OpenSlide. Validation error: Not a valid tif: Image width could not be determined. OCT image builder: Not a valid OCT file (supported formats: .fds,.fda,.e2e) Fallback image builder: Not a valid image file

Hi Simon,

Thank you for reporting this issue. image.GetMetaData('PatientAge') and image.GetMetaData('PatientSex') should work on the submission server. In the test set, all PatientAge tags follow this format: https://dicom.innolitics.com/ciods/ct-image/patient-study/00101010. In the training set, this is currently not always the case. We will look into updating the training set accordingly next week.

Best, Luuk