Cost-utility studies inform decision makers about the value for money of CGM devices, which also requires clarity on the combinations with different insulin pumps or injections. Our review findings showed that the overall quality of current economic evaluations in this field is moderate.

Referring to existing guidelines, studies could be improved by adopting more systematic approaches to selection of input data, by refining uncertainty analyses, and by clearly reporting methods used. Importantly, researchers should better explain their choices in the modeling process.