Table 4. Age-specific results from multiple logistic regression* to evaluate the effect of invasive strategy on in-hospital and long-term outcomes.

	< 75 years			≥ 75 years			Interaction†
	OR	95% CI	p value	OR	95% CI	p value	p value
All-cause mortality
In-hospital	0.204	0.041-0.991	0.048	1.096	0.351-3.416	0.875	0.077
One-year	0.168	0.061-0.463	0.001	0.429	0.188-0.977	0.044	0.201
Three-year	0.323	0.150-0.695	0.004	0.267	0.123-0.578	0.001	0.81
MACE (death/MI/stroke)
In-hospital	0.212	0.056-0.800	0.022	1.049	0.361-3.046	0.93	0.072
One-year	0.236	0.103-0.543	0.001	0.416	0.191-0.907	0.028	0.273
Three-year	0.327	0.158-0.676	0.003	0.407	0.195-0.851	0.017	0.578

* Adjusted for age, sex, medical history (hypertension, diabetes mellitus, hypercholesterolemia, and current smoker), GRACE risk score, and medications (angiotensin-converting enzyme inhibitors, β-blockers, statins).

^† Testing the interaction between age group and invasive treatment.