MI
Subjects included in analysis*No ED treatment
(n=40 198)
ED treatment
(n=2947)
Number of MIs (%)3089 (7.7)99 (3.4)
Incidence rate (cases/100 person-years)2.43 (2.35 to 2.52)1.34 (1.10 to 1.64)
Unadjusted, HR (95% CI)Referent0.83 (0.68 to 1.02)
Adjusted for age, HR (95% CI)Referent0.91 (0.74 to 1.11)
Multivariable adjusted†, HR (95% CI)Referent0.95 (0.77 to1.16)