Research Article

Treatment Discontinuation and Clinical Events in Type 2 Diabetes Patients Treated with Dipeptidyl Peptidase-4 Inhibitors or NPH Insulin as Third-Line Therapy

Figure 1

Flowchart of cohort selection. Individuals with outpatient or inpatient claim with specific T2DM ICD-9-CM codes (250.x0/250.x2) or a mix of claims with type 2 and unspecified DM diagnosis (code 250.x) at any point before cohort entry or one month after the first prescription. Individuals with type 1 DM (250.x1/250.x3) codes at any point before cohort entry were excluded.