Table 2.

Univariate predictors of death

Variable	p value	RR (95% CI)
Male gender	0.10	0.62 (0.35–1.10)
Age	0.000	1.07 (1.04–1.10)
Coronary artery disease	0.82	0.95 (0.59–1.51)
Ejection fraction >50%	0.009	0.55 (0.35–0.86)
Diabetes	0.19	1.39 (0.84–2.28)
Hypercholesterolemia	0.21	0.70 (0.40–1.17)
Hypertension	0.6	0.89 (0.58–1.37)
Obesity	0.17	0.68 (0.39–1.18)
Presence of Carotid plaque	0.000	2.91 (1.61–5.27)
Heterogeneity	0.000	1.80 (1.36–2.39)
Irregular profile	0.000	1.79 (1.33–2.42)
High degree of stenosis	0.000	1.01 (1.00–1.02)
Treatment
Statins	0.005	0.45 (0.24–0.77)
Beta-blockers	0.26	0.75 (0.45–1.24)
Antiplatelet-agents	0.43	0.83 (0.52–1.31)
ACE inhibitors	0.65	1.12 (0.69–1.82)
Nitrate	0.17	1.39 (0.87–2.22)