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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Circ Heart Fail. 2013 Mar 20;6(3):443–450. doi: 10.1161/CIRCHEARTFAILURE.112.000130

Table 2.

Patient Characteristics According to Management

Randomized to MED Randomized to CABG
Rec. MED (per protocol) (n=537) Rec. CABG (crossover) (n=65) P Rec. MED (crossover) (n=55) Rec. CABG (per protocol) (n=555) p
Age (years) 59(54, 67) 57 (51, 65) 0.170 61 (57, 69) 60 (54, 68) 0.237
Women (%) 11.9% 16.9% 0.249 10.9% 12.1% 0.800
White (%) 70.2% 66.2% 0.502 61.8% 67.2% 0.419
Black or other(%) 29.8% 33.8% 38.2% 32.8%
Body mass index, median (kg/m2) 27 (24, 30) 26 (24, 29) 0.842 26 (24, 29) 27(24, 30) 0.226
Medical history(%)
Myocardial infarction 78.4% 78.5% 0.991 74.5% 75.9% 0.829
Hyperlipidemia 61.5% 62.5% 0.871 47.3% 60.3% 0.061
Hypertension 62.6% 52.3% 0.108 50.9% 59.5% 0.219
Diabetes 40.8% 29.2% 0.072 40.0% 39.3% 0.917
Current smoker 19.2% 29.2% 0.058 27.3% 20.7% 0.258
Previous percutaneous coronary intervention 12.3% 12.3% 0.997 21.8% 12.6% 0.056
Chronic renal Insufficiency 7.8% 4.6% 0.460 14.5% 7.4% 0.071
Stroke 6.7% 7.7% 0.793 5.5% 8.6% 0.609
PVD 14.2% 29.2% 0.002 10.9% 15.0% 0.418
Previous CABG 2.6% 0.0% 0.383 10.9% 2.9% 0.010
Current CCS angina class ≤0.0014 0.255
 No angina 39.5% 20.0% 29.1% 36.2%
 I 15.5% 12.3% 16.4% 15.7%

 II 41.2% 60.0% 47.3% 43.1%
 III / IV 4.0% 7.7% 7.2% 5.0%

Current NYHA heart failure class 0.003 0.069
 I 13.0% 6.2% 9.1% 10.8%
 II 52.3% 40.0% 41.8% 53.3%
 III / IV 34.6% 53.9% 49.1% 35.9%
Systolic blood pressure, median mm Hg 120 (110, 130) 120 (110, 130) 0.224 120 (110, 140) 120 (110, 130) 0.836
Pulse, median beats/min 72 (65, 80) 74 (68, 80) 0.858 72 (65, 84) 74 (66, 82) 0.502
Able to perform 6-minute walk 89.2% 92.2% 0.455 72.2% 84.7% 0.019
6-minute walk distance, median ft 1139 (878, 1348) 984 (738, 1247) 0.024 984 (853, 1290) 1148 (875, 1325) 0.356
No. diseased vessels (≥ 75%) 0.648 0.859
≤1 26.1% 29.3% 26.0% 24.2%
2 38.4% 35.4% 37.0% 38.4%
3 35.6% 35.4% 37.0% 37.5%
Proximal LAD≥ 75% 68.7% 70.8% 0.735 61.1% 68.1% 0.295
LVEF (site-reported) 27 (22, 30) 30 (25, 33) 0.003 27 (24, 31) 27 (22, 31) 0.993
LVEF (core lab + site) 28 (21, 34) 27 (23, 32) 0.579 25 (19, 33) 27 (22, 33) 0.306

LVESVI (core lab + site) 79 (58, 108) 78 (64, 95) 0.888 92 (73, 111) 78 (61, 101) 0.036

Mitral regurgitation (site-reported) 0.333 0.446
None or trace 38.0% 29.2% 27.3% 35.7%
Mild 42.5% 52.3% 49.1% 47.9%
Moderate (3+) 16.7% 13.8% 18.2% 13.2%
Severe (4+) 2.8% 4.6% 5.5% 3.2%
RAR score 11 (5, 20) 10 (5, 17) 0.588 12 (7, 20) 11 (5, 19) 0.136

Data shown are median and inter-quartile range or proportions as a percentage.