Table 4.

Five-Year Major Adverse Clinical Events in Overall PREVENT-IV Population With or Without the m-SVGs

	m-SVGs		Unadjusted		Adjusted*
Clinical Events	Yes (n = 1045)	No (n = 1969)	HR (95% CI)	P	HR (95% CI)	P
Death, MI (including perioperative MI), or revascularization, n	364	603	1.17 (1.03, 1.33)	0.018	1.15 (1.00, 1.31)	0.045
5-y event rate, %	35.2	31.1
Death or MI (including perioperative MI), n	262	398	1.27 (1.08, 1.48)	0.003	1.21 (1.03, 1.43)	0.020
5-y event rate, 5	25.4	20.5
Death, MI (excluding perioperative MI), or revascularization, n	282	484	1.11 (0.95, 1.28)	0.182	1.10 (0.94, 1.28)	0.231
5-y event rate, %	27.5	25.1
Death or MI (excluding perioperative MI), n	161	252	1.21 (0.99, 1.47)	0.063	1.15 (0.94, 1.42)	0.178
5-y event rate, %	15.8	13.1
Death or revascularization, n	270	468	1.09 (0.94, 1.27)	0.253	1.08 (0.92, 1.26)	0.348
5-y event rate, %	26.3	24.3
Death	127	210	1.13 (0.91, 1.41)	0.266	1.09 (0.86, 1.37)	0.480
5-y event rate, %	12.5	10.9

^*Adjusted for age, sex, race, history of congestive heart failure, creatinine clearance, recent MI (within 30 d of enrollment), weight, height, diastolic blood pressure, on-pump surgery, length of surgery, harvesting technique, and use of internal mammary artery conduit.

m-SVG indicates saphenous vein graft with >1 distal target; HR, hazard ratio; CI, confidence interval; and MI, myocardial infarction.