INS and diabetes mellitus: The adjusted ORs of multi-vessel CAD in the NGR (OR: 1.67; 95% CI: 1.3–2.14), pre-DM (OR: 1.27; 95% CI: 1.09–1.49), and DM non-insulin Rx (OR: 1.35; 95% CI: 1.15–1.58) groups were statistically significant.