Table 3. Multivariate predictors of cardiovascular events.

Variables	HR (95% CI)	p-Value
History of smoking	0.727 (0.49–1.06)	0.101
Hypertension	0.410 (0.15–1.09)	0.076
Heart rate > 100 beats/min	1.803 (0.71–4.56)	0.214
Creatinine > 1.5 mg/dL	1.642 (0.90–2.97)	0.102
Leukocyte count > 11,000/µL	3.028 (1.69–5.40)	< 0.001
Use of β-blocker	0.775 (0.43–1.37)	0.384
Use of ACE inhibitor	0.575 (0.32–1.02)	0.058

Abbreviations: ACE, angiotensin-converting enzyme; CI, confidence interval; HR, hazard ratio.