Table 4. Cox proportional hazards regression of long-term clinical outcomes.

	OR (95% CI)	P
Age (years)	1.077 (1.014–1.143)	0.016
Gender	1.960 (0.563–6.823)	0.291
Hypertension	5.201 (1.134–23.855)	0.034
Diabetes mellitus	0.714 (0.171–2.977)	0.644
Smoking	1.112 (0.277–4.456)	0.881
SR	0.232 (0.032–1.669)	0.304
Killip cardiac functional grading I-II	0.147 (0.064–0.381)	0.147

CI = confidence interval, OR = Odds ratio, SR = spontaneous reperfusion.