Fig. 2From: Validation of an algorithm that determines stroke diagnostic code accuracy in a Japanese hospital-based cancer registry using electronic medical recordsWorking flow of subjects in the validation study. A total of 27,932 patients with cancer were identified during the study period. Of these, 2105 patients were excluded because 2083 were duplicate registration and 22 had an input mistake (die before being born). Therefore, 25,827 patients with cancer were included in the study cohortBack to article page