Table 4.
Baseline Clinical Characteristics of VAMI and Non‐VAMI Patients
| Variable | Non‐VAMI (n=905) | VAMI (n=81) | P Value |
|---|---|---|---|
| Age, y | 56.6±9.3 | 54.4±10.0 | 0.06 |
| Male | 768 (84.9) | 71 (87.7) | 0.63 |
| BMI, kg/m2 | 24.4±2.2 | 24.3±3.0 | 0.69 |
| Typical morning angina | 664 (73.4) | 50 (61.7) | 0.028 |
| Medical history | |||
| Diabetes mellitus | 194 (21.4) | 36 (44.4) | <0.001 |
| Hypertension | 343 (37.9) | 40 (49.4) | 0.044 |
| Current smoking | 247 (27.3) | 32 (39.5) | 0.028 |
| Dyslipidemia | 191 (21.1) | 12 (14.8) | 0.20 |
| History of PCI | 71 (7.8) | 7 (8.6) | 0.83 |
| History of MI | 18 (2.0) | 14 (17.3) | <0.001 |
| History of CVA | 12 (1.3) | 3 (3.7) | 0.12 |
| Laboratory findings | |||
| Hemoglobin, g/dL | 14.5±1.5 | 14.4±1.7 | 0.66 |
| White blood cells, ×103/μL | 7.0±2.1 | 8.8±3.6 | <0.001 |
| Glucose, mg/dL | 116±36 | 133±54 | 0.007 |
| BUN, mg/dL | 15.0±4.3 | 14.9±4.7 | 0.89 |
| Creatinine, mg/dL | 0.91±0.19 | 0.88±0.24 | 0.19 |
| Total cholesterol, mg/dL | 172±36 | 166±35 | 0.15 |
| Triglycerides, mg/dL | 160±114 | 166±118 | 0.69 |
| HDL, mg/dL | 47±12 | 46±12 | 0.40 |
| LDL, mg/dL | 105±31 | 98±29 | 0.06 |
| Hs‐CRP, mg/dL | 0.37±1.38 | 1.16±3.61 | <0.001 |
| LVEF, % | 64.1±6.8 | 61.6±8.7 | 0.006 |
| Medical treatments at discharge | |||
| Aspirin | 573 (63.5) | 52 (64.2) | 1.00 |
| Statin | 406 (45.0) | 51 (63.0) | 0.002 |
| Calcium channel blocker | 863 (95.7) | 77 (95.1) | 0.78 |
| Nitrate | 354 (39.2) | 34 (42.0) | 0.64 |
| Nicorandil | 289 (32.0) | 40 (49.4) | 0.002 |
| ACEI or ARB | 175 (19.4) | 22 (27.2) | 0.11 |
Values are mean±SD or n (%). ACEI indicates angiotensin‐converting enzyme inhibitors; ARB, angiotensin II receptor blockers; BMI, body mass index; BUN, blood urea nitrogen; CVA, cerebrovascular accident; HDL, high‐density lipoprotein; Hs‐CRP, high‐sensitivity C‐reactive protein; LDL, low‐density lipoprotein; LVEF, left ventricular ejection fraction; MI, myocardial infarction; PCI, percutaneous coronary intervention; VAMI, vasospastic angina presenting with myocardial infarction.