Using the PARAFAC2 tensor factorization on EHR audit data to understand PCP desktop work

• Can we process the EHR audit log file to derive primary care provider (PCP) level workflow measures? • Using the PARAFAC2 model, we identified 4 clusters of audit log records that represent 4 common clinical encounter tasks. • PARAFAC2 also discovered variation in how the notes’ access task was done. • The discovered variants mapped to two known workflows for notes’ access and to two distinct PCP user groups. Activity or audit log data are...