Table 1.
Baseline clinical characteristics of NSTEMI patients before propensity score matching
| Characteristic | Patient with typical symptoms (n = 474) | Patient with atypical symptoms (n = 143) | p value |
|---|---|---|---|
| Age, yr | 66.4 ± 10.6 | 74 ± 9.1 | < 0.001 |
| Hypertension | 276 (56.6) | 99 (69.2) | 0.019 |
| Smoking | 172 (36.3) | 33 (23.1) | < 0.001 |
| Female sex | 138 (29.1) | 64 (44.8) | < 0.001 |
| Diabetes mellitus | 178 (37.6) | 64 (44.8) | 0.143 |
| Body mass index, kg/m2 | 24.4 ± 2.9 | 23.7 ± 2.9 | 0.022 |
| Left ventricle ejection fraction, % | 57.7 ± 11.3 | 47.7 ± 13.5 | < 0.001 |
| Plasma glucose, mg/dL | 117.7 ± 79.7 | 207.7 ± 118.3 | 0.011 |
| Creatinine, mg/dL | 1.1 ± 1.1 | 1.5 ± 1.6 | 0.041 |
| Total cholesterol, mg/dL | 194.2 ± 48.2 | 178.3 ± 45.7 | 0.019 |
| HDL-C, mg/dL | 41.6 ± 11.4 | 41.2 ± 11.9 | 0.814 |
| Triglyceride, mg/dL | 133.7 ± 76.2 | 111.3 ± 71.0 | 0.025 |
| LDL-C, mg/dL | 127.1 ± 42.0 | 116.3 ± 40.6 | 0.045 |
| hs-CRP, mg/dL | 1.6 ± 2.9 | 3.0 ± 5.0 | 0.005 |
| Pre TIMI grade flow 0–2 | 327 (73.2) | 104 (69.0) | 0.040 |
Values are presented as mean ± SD or number (%).
NSTEMI, non-ST-segment elevation myocardial infarction; HDL-C, high density lipoprotein cholesterol; LDL-C, low density lipoprotein cholesterol; hs-CRP, high-sensitivity C-reactive protein; TIMI, thrombolysis in myocardial infarction.