INS and diabetes mellitus: The mean score (and standard deviation) for key questions were as follows: “More satisfied with ability to manage diabetes” 1.31 (0.56); “Confident that d-Nav is using blood sugar results to change insulin dose” 1.26 (0.52); “Satisfied with decision to start using the d-Nav service” 1.17 (0.47); and “Important for patient to be able to continue using the d-Nav service” 1.22 (0.50).