Table 1.
Patient Demographics and Risk Factors with coronary artery disease (CAD) (Left main coronary artery disease (LMCAD) and more peripheral coronary artery disease (MPCAD)).
| Variable | LMCAD b (n = 402) | MPCAD c (n = 804) | p-Value | All CAD (n = 1206) |
|---|---|---|---|---|
| Mean age, y | 62.24 (±8.66) | 60.14 (±8.96) | <0.001 | 60.84 (±8.91) |
| Woman, % | 67 (16.7) | 170 (21.1) | 0.065 | 237 (19.7) |
| Mean BMI a, kg/m2 | 25.55 (±3.16) | 25.75 (±3.13) | 0.299 | 25.68 (±3.14) |
| Family history of CAD, % | 21 (5.2) | 32 (4.0) | 0.323 | 53 (4.4) |
| Previous smoker, % | 211 (52.5) | 422 (52.5) | 1.000 | 633 (52.5) |
| Hypertension, % | 261 (64.9) | 530 (65.9) | 0.732 | 791 (65.6) |
| Hyperlipidemia, % | 275 (68.4) | 573 (71.3) | 0.290 | 848 (70.4) |
| Diabetes mellitus, % | 125 (31.1) | 271 (33.7) | 0.363 | 396 (32.8) |
| Mean ejection fraction, % | 60.25 (±7.96) | 59.55 (±8.76) | 0.177 | 59.78 (±8.50) |
| Disease territories, % | ||||
| 1–2 | 27 (6.7) | 99 (12.3) | 0.003 | 126 (10.4) |
| 3 | 375 (93.3) | 705 (87.7) | 0.003 | 1080 (89.6) |
| LMCAD, % | 402 (100) | 0 (0) | — | 402 (33.3) |
| Anterior descending artery system, % | 386 (96.0) | 793 (98.6) | 0.004 | 1179 (97.8) |
| Circumflex branch of left coronary artery system, % | 373 (92.8) | 744 (92.5) | 0.876 | 1117 (92.6) |
| Right coronary artery system, % | 374 (93.0) | 751 (93.4) | 0.807 | 1125 (93.3) |
| OPCAB/cCABG d | 209/193 | 438/366 | 0.414 | 647/559 |
a
BMI: body mass index;
b
LMCAD: left main coronary artery disease;
c
MPCAD: more peripheral coronary artery disease;
Bold values are statistically significant (p < 0.05);
d
OPCAB: off-pump coronary artery bypass grafting; cCABG: conventional coronary artery bypass grafting.