The app includes a setting for verification threshold, so we played around with that, trying a dozen times to get the app to ignore Brian, but even at 80 percent it was recognizing both of us (65 percent was the cutoff for Bianca).
One might argue, however, that greater lowering of LDL might not be very meaningful in a real world setting, that all that is necessary is to get LDL below a certain threshold to reduce the risk of heart attacks in at-risk patients.