Table 3

Secondary clinical end points (exertional angina class and drug treatments) and risk factors at the five year follow up

	Angioplasty (n = 50)		Stent (n = 56)		p Value	OR	95% CI
	n	%	n	%	p Value	OR	95% CI
*Mean (SD).
ACE, angiotensin converting enzyme; CI, confidence interval; HMG CoA, hydroxymethylglutaryl-coenzyme A reductase; LAD, left anterior descending coronary artery; OR, odds ratio.
Angina class
Asymptomatic	26	52	41	73	0.075	0.32	0.14 to 0.75
Exertional angina
Class I	13	26	6	11	0.13
Class II	4	8	3	5
Class III	6	12	5	9
Class IV	1	2	1	2
Unstable angina	0	0	0	0
Ejection fraction (%)*	53 (10)		56 (9)		0.16
Current drugs
Aspirin	48	96	53	95	0.11
Ticlopidine	2	4	3	5
β Blockers	18	36	18	32
Calcium antagonists	22	44	17	30
Nitrates	18	36	16	29
HMG-CoA reductase	22	44	24	43
Diuretics	3	6	4	7
ACE inhibitors	26	52	24	43
Diabetes mellitus	8	16	9	16	0.99
Current smoking	9	18	8	14	0.61