We know of patients using U 40 insulin who read their dose on the U 20 scale of a U 20–40 syringe. Thus, although the physician might have ordered the injection of 15 units of insulin ...

For the vial and syringe group, if the number of units of insulin administered per patient was 1000 or less, this was equivalent to one vial. For the vial and syringe group, the total number of ...