Table 1.
Clinical Characteristics, Laboratory, and Echocardiographic Findings of the Study Population
| Poor CCC (n = 75) | Good CCC (n = 128) | P value | |
|---|---|---|---|
| Baseline characteristics | |||
| Age (years) | 63.1 ± 10.7 | 63.8 ± 11.1 | 0.638 |
| Men, n (%) | 55 (73.3) | 79 (61.7) | 0.093 |
| Body mass index (kg/m2) | 22.1 ± 1.98 | 21.8 ± 1.5 | 0.909 |
| Hypertension, n (%) | 38 (50.7) | 62 (48.4) | 0.761 |
| Diabetes, n (%) | 26 (34.7) | 48 (37.5) | 0.658 |
| Smoking, n (%) | 32 (42.7) | 63 (49.2) | 0.369 |
| Ejection fraction, % | 51.8 ± 7.4 | 51.1 ± 7.9 | 0.488 |
| Laboratory findings | |||
| Glucose (mg/dL) | 101.5 ± 17.8 | 101.8 ± 21.4 | 0.904 |
| Creatinine (mg/dL) | 1.0 ± 0.2 | 0.9 ± 0.3 | 0.690 |
| HDL(mg/dL) | 39.4 ± 11.4 | 38.1 ± 10.3 | 0.490 |
| LDL(mg/dL) | 78.2 ± 21.2 | 73.8 ± 23.4 | 0.189 |
| Triglyceride (mg/dL) | 99.6 ± 22.9 | 95.9 ± 25.9 | 0.312 |
| Hemoglobin (mg/dL) | 12.9 ± 2.1 | 13.0 ± 2.0 | 0.841 |
| Neutrophile,×109/L | 6.79 ± 2.98 | 4.96 ± 1.99 | <0.001 |
| Lymphocyte,×109/L | 2.08 ± 0.70 | 2.32 ± 0.78 | 0.032 |
| Neutrophile/lymphocyte ratio | 3.65 ± 1.99 | 2.42 ± 1.44 | <0.001 |
| Medication, n (%) | |||
| Acetylsalicylic acid | 59 (78.7) | 93 (72.7) | 0.343 |
| Beta‐blockers | 37 (49.3) | 68 (53.1) | 0.604 |
| ACE inhibitors/ARBs | 27 (36.0) | 46 (35.9) | 0.993 |
| Calcium channel blockers | 13 (17.3) | 23 (18.0) | 0.909 |
| Statins | 53 (70.7) | 86 (67.2) | 0.606 |
| Occluded artery, n (%) | |||
| LAD | 33 (44.0) | 53 (41.4) | 0.390 |
| CX | 18 (24.0) | 38 (29.7) | 0.384 |
| RCA | 34 (45.3) | 74 (57.8) | 0.088 |
CCC = coronary collateral circulation; HDL = high‐density lipoprotein; LDL = low‐density lipoprotein; ACE = angiotensin converting enzyme; ARB = angiotensin receptor blocker; LAD = left anterior descending; CX = circumflex; RCA = right coronary artery.