Sample selection and resulting patient counts. Non-mixed basal insulins are insulin detemir, insulin glargine, NPH (neutral protamine Hagedorn) insulin, and insulin degludec; T2DM was identified using ICD-10 codes E11.x and E14.x; T1DM was identified using ICD-10 codes E10.x, secondary diabetes as ICD-10 codes E08.x–E09.x, E13.x, and pregnancy as ICD–10 codes O00.x–O08.x, O10.x–O16.x, O20.x–O29.x, O30.x–O48.x, O60.x–O75.x, O80.x–O92.x, O94.x–O99.x, Z32.1, Z33.x–Z35.x, Z37.x, Z39.x