. Author manuscript; available in PMC: 2010 Apr 1.

Published in final edited form as: Am Heart J. 2009 Feb 23;157(4):666–672. doi: 10.1016/j.ahj.2008.12.004

Table 4.

5-year Life Table estimates of Clinical Outcomes by Treatment Group & Stress Test Performed

		PCI Group Stress done (n=297) Not done (n=804)	MED Group Stress done (n=301) Not done (n=799)				P-Value (HR;99%CI) for stress test done vs stress test not done
		PCI Group Stress done (n=297) Not done (n=804)	MED Group Stress done (n=301) Not done (n=799)	p-value	HR	99% CI	Unadjusted	Adjusted BL
Death, MI or Class IV CHF	Stress Test	39 (17.6%)	27 (10.5%)	0.08	1.55	0.81–2.95	0.007 (1.46;1.02–2.08)	0.38 (1.14;0.78–1.66)
Death, MI or Class IV CHF	No Stress Test	126 (19.4%)	119 (18.4%)	0.71	1.05	0.76–1.46	0.007 (1.46;1.02–2.08)	0.38 (1.14;0.78–1.66)
Death	Stress Test	17 (9.7%)	13 (6.2%)	0.37	1.39	0.54–3.59	0.0004 (2.02;1.21–3.38)	0.01 (1.66;0.97–2.83)
Death	No Stress Test	75 (12.4%)	79 (14.1%)	0.66	0.93	0.61–1.41	0.0004 (2.02;1.21–3.38)	0.01 (1.66;0.97–2.83)
Nonfatal MI	Stress Test	19 (8.0%)	15 (5.9%)	0.40	1.33	0.55–3.26	0.15 (0.74;0.43–1.27)	0.03 (0.60;0.33–1.08)
Nonfatal MI	No Stress Test	39 (6.4%)	26 (4.3%)	0.11	1.50	0.78–2.88	0.15 (0.74;0.43–1.27)	0.03 (0.60;0.33–1.08)
Death or MI	Stress Test	35 (16.9%)	25 (9.9%)	0.13	1.49	0.76–2.93	0.05 (1.34;0.92–1.96)	0.56 (1.09;0.73–1.63)
Death or MI	No Stress Test	108 (17.7%)	99 (17.2%)	0.55	1.09	0.76–1.56	0.05 (1.34;0.92–1.96)	0.56 (1.09;0.73–1.63)
Class IV CHF	Stress Test	8 (3.1%)	5 (1.7%)	0.37	1.67	0.38–7.24	0.007 (2.25;1.04–4.87)	0.15 (1.56;0.70–3.49)
Class IV CHF	No Stress Test	36 (5.6%)	39 (5.3%)	0.69	0.91	0.50–1.66	0.007 (2.25;1.04–4.87)	0.15 (1.56;0.70–3.49)

PCI = Percutaneous Coronary Intervention; MED = Medical Therapy Alone; HR=Hazard Ratio; MI = Myocardial Infarction; CHF = Congestive Heart Failure