Table 4.

Hazard ratios for mortality for incomplete vs. complete revascularization in selected subgroups of patients.^*

	No. of Deaths/Cases		5-Year KM Survival (%)			Adjusted† Hazard Ratio for Death
Patient Group	CR	IR	CR	IR	P- Value	Hazard Ratio (95% CI)	P-Value	P-Value for Interaction
Age (Years)								0.85
< 80	654/5767	769/5710	85.0	82.7	0.01	1.16(1.04,1.28)	0.007
≥ 80	234/744	276/801	56.5	56.4	0.13	1.18(0.99,1.41)	0.07
Ejection fraction								0.16
< 40%	175/787	229/799	71.8	64.0	0.01	1.31(1.08,1.60)	0.007
≥ 40%	711/5717	815/5707	82.8	81.5	0.03	1.12(1.01,1.24)	0.03
Prior myocardial infarction								0.34
Yes	332/1862	384/1884	76.6	74.6	0.03	1.22(1.05,1.42)	0.008
No	556/4649	661/4627	83.4	81.3	0.01	1.12(1.00,1.25)	0.06
Congestive heart failure								0.42
Yes	195/481	218/505	51.3	50.5	0.51	1.07(0.88,1.30)	0.49
No	693/6030	827/6006	84.0	82.0	0.002	1.17(1.06,1.30)	0.002
Diabetes mellitus								0.52
Yes	324/1858	397/1922	76.9	72.6	0.04	1.20(1.03,1.39)	0.02
No	564/4653	648/4589	83.1	82.1	0.02	1.13(1.01,1.26)	0.04
Proximal left anterior descending artery stenosis ≥ 70%								0.47
Yes	273/1973	263/1594	81.6	78.0	0.14	1.09(0.92,1.30)	0.30
No	615/4538	782/4917	81.3	79.8	0.005	1.18(1.06,1.31)	0.003
Proximal coronary artery stenosis ≥ 70%								0.10
Yes	591/4037	610/3575	80.5	78.7	0.07	1.09(0.97,1.22)	0.13
No	297/2474	435/2936	82.7	80.2	0.002	1.28(1.10,1.48)	0.001
Total coronary occlusion								0.82
Yes	81/684	109/684	84.4	82.1	0.07	1.19(0.89,1.59)	0.24
No	807/5827	936/5827	81.0	78.9	0.006	1.15(1.04,1.26)	0.004
Renal failure
Yes	86/166	103/176	37.4	37.4	0.50	1.39(1.04,1.86)	0.03	0.21
No	802/6345	942/6335	82.6	80.7	0.003	1.14(1.04,1.25)	0.007
New York State PCI risk score for in- hospital mortality								0.09
≥ 8	230/479	233/493	44.5	45.2	0.76	1.01(0.84,1.22)	0.92
< 8	658/6032	812/6018	84.5	82.4	<0.001	1.21(1.09,1.35)	<0.001

^*IR=incomplete revascularization; CR=complete revascularization; CI=confidence interval.

^†In addition to incomplete revascularization, patient group and interaction between incomplete revascularization and patient group, models adjusted for age, body mass index, ejection fraction group, previous myocardial infarction, cerebrovascular disease, peripheral arterial disease, congestive heart failure, chronic obstructive pulmonary disease, diabetes and renal failure.