HbA1c below 42 mmol/mol is associated with increased risk of non-cardiovascular but not cardiovascular mortality, specifically among individuals with obstructive CAD. Adjusted associations between HbA1c categories and all-cause mortality (A), cardiovascular mortality (B), and non-cardiovascular mortality (C) in participants with obstructive CAD, non-obstructive CAD, and no CAD. Data limited to those participants who underwent cardiac catheterization prior to 12/31/2011, through which data linked to National Death Index were available. There were too few cardiovascular mortality events to accurately model the association in those with non-obstructive CAD and 64 ≤ HbA1c < 75 mmol/mol.