Fig 1.

Flowchart of inclusion in study cohort. *Patients could be excluded for more than one reason. †Defined as no specialist care contact or use of any prescription drug. ‡Patients with a propensity score outside the overlapping common distribution of the two groups and the highest 1% and lowest 1% of the common propensity score distribution were excluded (trimming). DPP4=dipeptidyl peptidase 4; GLP1=glucagon-like peptide 1