INS and type 1 diabetes mellitus: It is known that higher insulin dose is correlated with higher BMISDS and it could be speculated if this is the case as well with OS-AID systems.43 It is noteworthy that the BMISDS in this study is lower than found in other studies investigating children and adolescents with T1DM.43 This could be due to the fact, that the users of OS-AID systems have a socioeconomic status above average.