Skip to main content
. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: J Thorac Cardiovasc Surg. 2012 Feb 4;143(4):873–878. doi: 10.1016/j.jtcvs.2011.09.070

Table 1.

Baseline Characteristics of the Study Population.

Overall
(N=478)
No Event
Subjects
(N=352)
Event
Subjects
(N=126)
P
Age (mean [SD]) 61 ± 11 61 ± 11 62 ± 12 0.33
Sex (% female) 159 (33%) 111 (32%) 48 (38%) 0.18
Race (% white) 355 (74%) 263 (75%) 92 (73%) 0.71
Diabetes (%) 170 (36%) 114 (32%) 56 (44%) 0.02
Dyslipidemia (%) 309 (65%) 227 (65%) 82 (65%) 0.91
Renal Disease (%) 12 (3%) 5 (1%) 7 (6%) 0.02
Current Smoker (%) 262 (55%) 188 (53%) 74 (58%) 0.30
BMI (mean [SD]) 30 ± 7 30 ± 6 30 ± 7 0.69
EF (mean [SD]) 54 ± 14 55 ± 14 52 ± 15 0.03
Number of Diseased
Coronary Vessels (mean
[SD])
2.3 ± 0.8 2.3 ± 0.8 2.5 ± 0.8 0.02
Pre-Procedure Heparin Use
(%)
116 (24%) 77 (22%) 39 (31%) 0.05

SD=standard deviation; BMI=body mass index; EF=ejection fraction