Table 3. Multivariate analysis for hazard ratio of AAC.

Outcomes	Cumulative incidence estimates		Unadjusted, HR* (95% CI)	Adjusted HR* (95% CI)
	AAC (+)	AAC (–)
Mortality
30-day	17.3%	7.1%	2.61 (1.11-6.11)	3.38 (1.31-8.72)
CV death	27.6%	11.2%	2.80 (1.42-5.51)	2.94 (1.40-6.17)
Mortality#	28.3%	11.2%	2.88 (1.47-5.66)	3.10 (1.48-6.49)
MACE	39.4%	24.6%	1.97 (1.20-3.24)	2.20 (1.29-3.74)

AAC, aortic arch calcification; CI, confidence interval; HR, hazard ratio; MACE, major adverse cardiovascular event.

* Hazard ratio of the outcomes between acute coronary syndrome patients with calcified and non-calcified aortic arch (reference group). Adjusted for age, gender, type 2 diabetes mellitus and hypertension. ^# Maximum follow-up for 1.35 years.