Table 5: Predictors of angiographic multivessel disease in patients > 55 years of age.

		Univariable		Multivariable^*
Risk factor	Patients with outcome	Odd ratio (95% CI)	p	Odd ratio (95% CI)	p
Male
No	36	Ref	-	Ref	-
Yes	138	1.39 (0.74, 2.62)	0.301	1.50 (0.75, 3.01)	0.250
Previous MI
No	116	Ref	-	Ref	-
Yes	58	1.13 (0.63, 2.03)	0.680	0.69 (0.27, 1.72)	0.425
Family history of premature CHD
No	159	Ref	-	Ref	-
Yes	15	0.92 (0.36, 2.35)	0.856	0.61 (0.21, 1.76)	0.361
Type 2 diabetes mellitus
No	102	Ref	-	Ref	-
Yes	72	2.41 (1.30, 4.47)	0.005	2.20 (1.14, 4.24)	0.019
Hypertension
No	56	Ref	-	Ref	-
Yes	118	1.33 (0.76, 2.33)	0.323	1.18 (0.60, 2.32)	0.634
Dyslipidaemia
No	81	Ref	-	Ref	-
Yes	93	1.24 (0.72, 2.14)	0.430	1.09 (0.58, 2.05)	0.798
Smoking current
No	126	Ref	-	Ref	-
Yes	48	1.21 (0.65, 2.26)	0.557	1.66 (0.79, 3.52)	0.182
Smoking ex
No	124	Ref	-	Ref	-
Yes	50	1.49 (0.78, 2.83)	0.226	1.95 (0.92, 4.15)	0.081

CI = confidence interval, Ref = reference class, MI = myocardial infarction, CHD = coronary heart disease.

^*Multivariable analysis is adjusted for age, body mass index, sex, previous MI, previous percutaneous coronary intervention, family history of premature CHD, type 2 diabetes mellitus, hypertension, dyslipidaemia, smoking current and ex.