Figure 1—

Sample selection for youth <20 years of age with newly diagnosed diabetes in MarketScan, 2010–2016. 1: Number of enrollees in any health plan with length of enrollment >1 day, during 1 January 2010 to 31 December 2016. 2: First diagnosed with diabetes during the period using the algorithm described. 3: Those with age at diagnosis younger than 20 years. 4: Those with continuous enrollment in any health plan 2 years before and 1 year after the diabetes diagnosis. 5: Excluding those who had prescription drug claims for antidiabetes medications before the diagnosis date (Therapeutic class codes 172, 173, and 174). 6: Newly diagnosed with diabetes, excluding those with gestational diabetes mellitus (GDM) before the diagnosis. 7: Excluding those with history of acute and chronic pancreatitis. 8: Excluding those diagnosed with DKA >7 days after diabetes diagnosis. 9: Excluding those with history of chronic conditions, n = 196. Chronic conditions include: congestive heart failure, hemiplegia, HIV/AIDS, any malignancy (including lymphoma and leukemia, except malignant neoplasm of skin), mild liver disease, peripheral vascular disease, renal disease, rheumatic disease, cerebrovascular disease, metastatic solid tumor, and peptic ulcer. 10: Those enrolled in FFS or capitated plans. 11: Those with DKA at diabetes diagnosis (within 7 days). RX, prescription.