Table 1: Baseline characteristics.

CharacteristicsAllCABG ineligibleCABG eligiblep-value
(N=331) (N=227) (N=104)

Demographics
Age72.72±11.35 (331)72.16±11.23 (227)73.92±11.55 (104)0.191
Gender - Male67.07% (222/331)69.60% (158/227)61.54% (64/104)0.166
BSA (m2)1.94±0.27 (317)1.96±0.28 (218)1.90±0.26 (99)0.058
Baseline Characteristics
Hyperlipoproteinaemia74.92% (245/327)72.12% (163/226)81.19% (82/101)0.097
Hypertension89.43% (296/331)88.11% (200/227)92.31% (96/104)0.336
Diabetes Mellitus48.16% (157/326)47.35% (107/226)50.00% (50/100)0.719
CAD75.00% (225/300)75.36% (159/211)74.16% (66/89)0.884
Angina35.43% (107/302)34.76% (73/210)36.96% (34/92)0.794
Stroke8.81% (26/295)9.71% (20/206)6.74% (6/89)0.506
Renal Insufficiency27.69% (90/325)26.55% (60/226)30.30% (30/99)0.503
 Dialysis27.85% (22/79)28.30% (15/53)26.92% (7/26)1.000
Liver Insufficiency2.45% (7/286)2.94% (6/204)1.22% (1/82)0.677
COPD30.96% (100/323)34.07% (77/226)23.71% (23/97)0.068
Arrhythmia27.69% (90/325)25.22% (57/226)33.33% (33/99)0.140
PVD26.85% (87/324)26.11% (59/226)28.57% (28/98)0.683
CHF51.31% (157/306)48.58% (103/212)57.45% (54/94)0.173
 NYHA Class III/IV62.28% (71/114)64.00% (48/75)58.97% (23/39)0.685
Prior AICD/Pacer Implanted13.94% (46/330)10.18% (23/226)22.12% (23/104)0.006
Valvular Disease17.05% (52/305)16.98% (36/212)17.20% (16/93)1.000
Prior MI47.99% (155/323)44.89% (101/225)55.10% (54/98)0.115
Prior PCI41.16% (135/328)40.71% (92/226)42.16% (43/102)0.810
Prior CABG0.00% (0/331)0.00% (0/227)0.00% (0/104)- -
Surgical consultation was requested58.23% (191/328)66.08% (150/227)40.59% (41/101)<.001
LVEF34.97±17.38 (293)36.05±17.80 (199)32.69±16.30 (94)0.123
STS Mortality Score6.09±6.57 (305)6.15±6.83 (208)5.96±6.01 (97)0.813
STS Morbidity Score30.25±17.56 (305)30.26±18.23 (208)30.21±16.12 (97)0.980
Hemodynamics
Heart Rate (bpm)73.01±16.58 (324)72.66±15.45 (221)73.75±18.83 (103)0.610
Systolic Blood Pressure (mmHg)125.50±24.26 (323)124.86±24.24 (219)126.85±24.37 (104)0.492
Diastolic Blood Pressure (mmHg)68.37±15.20 (323)68.00±15.45 (219)69.13±14.69 (104)0.532
Mean Arterial Pressure (mmHg)88.12±16.42 (323)88.24±16.53 (219)87.87±16.27 (104)0.849
Hematology and Blood Chemistry
RBC (106/μL)3.92±0.88 (297)3.91±0.95 (201)3.94±0.71 (96)0.728
WBC (103/μL)8.42±3.65 (300)8.34±3.86 (204)8.57±3.16 (96)0.579
Hgb (g/dL)12.47±10.33 (310)12.82±12.38 (208)11.77±3.41 (102)0.260
HCT (%)34.99±5.55 (308)34.99±5.62 (207)34.99±5.42 (101)0.997
Platelet Count (103/μL)205.03±66.81 (303)204.05±68.84 (205)207.10±62.66 (98)0.711
Total Bilirubin (mg/dL)0.79±0.97 (93)0.75±0.94 (62)0.89±1.05 (31)0.500
Creatinine (mg/dL)1.49±1.22 (268)1.51±1.22 (183)1.44±1.21 (85)0.635
eGFR (mL/min/m2)56.49±25.00 (128)56.52±25.43 (86)56.43±24.42 (42)0.985
AST (U/L)45.22±72.84 (101)40.16±77.03 (70)56.65±62.01 (31)0.296
ALT (U/L)33.96±47.52 (102)28.90±18.27 (70)45.03±80.19 (32)0.269

AICD: automatic implantable cardioverter defibrillator; ALT: alanine aminotransferase; AST: aspartate aminotransferase; CABG: coronary artery bypass grafting; CAD: coronary artery disease; CHF: chronic heart failure; NYHA: New York Heart Association; COPD: chronic obstructive pulmonary disease; eGFR: estimated glomerular filtration rate; Hgb: hemoglobin; HCT: hematocrit; LVEF: left ventricular ejection fraction; MI: myocardial infarction; PCI: percutaneous coronary intervention; PVD: peripheral vascular disease; RBC: red blood cells; STS: Society of Thoracic Surgeons; TIMI: thrombolysis in myocardial infarction; WBC: white blood cells.