Table 3. Patients baseline characteristics.
| Stable | Unstable | Asymptomatic | Symptomatic | |||
|---|---|---|---|---|---|---|
| (n = 28) | (n = 26) | P value | (n = 27) | (n = 27) | P value | |
| Age (mean ± SEM, years) | 67.5 ± 1.2 | 68.5 ± 1.2 | 0.567 | 68.3 ± 1.2 | 67.7 ± 1.2 | 0.719 |
| Male sex n = (%) | 26 (92.9) | 25 (96.2) | 0.947 | 27 (100) | 24 (89) | 0.235 |
| Smokers n = (%) | 16 (57.1%) | 18 (69.2%) | 0.408 | 19 (70.4%) | 15 (55.6%) | 0.398 |
| Hypertension n = (%) | 17 (60.7%) | 20 (76.9%) | 0.249 | 16 (59.3%) | 21 (77.8%) | 0.241 |
| Diabetes n = (%) | 8 (28.6%) | 12 (46.2%) | 0.260 | 9 (33.3%) | 11 (40.7%) | 0.779 |
| CHD n = (%) | 3 (10.7%) | 3 (11.5%) | 0.736 | 2 (7.4%) | 4 (14.8%) | 0.665 |
| CRF n = (%) | 0 (0.00%) | 0 (0.00%) | n.a. | 0 (0.00%) | 0 (0.00%) | n.a. |
| Aspirin n = (%) | 13 (46.4%) | 11 (42.3%) | 0.791 | 14 (51.9%) | 10 (37.0%) | 0.412 |
| Clopidogrel n = (%) | 2 (7.1%) | 2 (7.7%) | 0.658 | 1 (3.7%) | 3 (11.1%) | 0.603 |
| Statin n = (%) | 10 (35.7%) | 12 (46.2%) | 0.580 | 12 (44.4%) | 10 (37.0%) | 0.782 |
| ACEI/ARB n = (%) | 6 (21.4%) | 9 (34.6%) | 0.366 | 9 (33.3%) | 6 (22.2%) | 0.543 |
| Beta-blocker n = (%) | 2 (7.1%) | 4 (15.4%) | 0.596 | 2 (7.4%) | 4 (14.8%) | 0.665 |
| CCB n = (%) | 9 (32.1%) | 8 (30.8%) | 0.914 | 9 (33.3%) | 8 (29.6%) | 0.770 |
| TIA n = (%) | 6 (21.4%) | 5 (19.2%) | 0.890 | 0 (0.0%) | 11 (40.7%) | 0.0003*** |
| AF n = (%) | 2 (7.1%) | 2 (7.7%) | 0.658 | 0 (0.0%) | 4 (14.8%) | 0.111 |
| Stroke n = (%) | 9 (32.1%) | 8 (30.8%) | 0.914 | 3 (11.1%) | 14 (51.9%) | 0.003** |
| Weight (mean ± SEM, kg) | 72.5 ± 1.8 | 70.3 ± 1.4 | 0.356 | 72.8 ± 1.4 | 70.1 ± 1.8 | 0.253 |
| creatinine (mean ± SEM, µmol/L) | 80.6 ± 3.3 | 82.2 ± 4.0 | 0.749 | 80.9 ± 2.7 | 81.8 ± 4.4 | 0.858 |
| TCHO (mean ± SEM, mmol/L) | 3.9 ± 0.2 | 3.7 ± 0.2 | 0.321 | 3.8 ± 0.2 | 3.8 ± 0.2 | 0.909 |
| LDL (mean ± SEM, mmol/L) | 2.3 ± 0.1 | 2.0 ± 0.1 | 0.069 | 2.2 ± 0.1 | 2.1 ± 0.2 | 0.485 |
| HDL (mean ± SEM, mmol/L) | 1.0 ± 0.04 | 1.0 ± 0.05 | 0.338 | 1.0 ± 0.04 | 1.0 ± 0.1 | 0.979 |
| triglyceride (mean ± SEM,mmol/L) | 1.4 ± 0.1 | 1.9 ± 0.4 | 0.243 | 1.5 ± 0.2 | 1.8 ± 0.3 | 0.373 |
SEM, standard error of mean; CHD, coronary heart disease; CRF, chronic renal failure; ACEI, angiotensin converting enzyme inhibitor; ARB, angiotensin receptor blocker; CCB, caicium channel blocker; TIA, transient ischemic attack; AF, amaurosis fugax; TCHO, total cholesterol; LDL, low density lipoprotein; HDL, high density lipoprotein.
**
represents P < 0.01;
***
represents P < 0.001.