Table 1.
Baseline characteristics of the study population classified by upstroke time per cardiac cycle (UTCC) below and above the median (19.2%).
| Baseline Characteristics | UTCC below the Median | UTCC above the Median | P value |
|---|---|---|---|
| Number | 92 | 92 | |
| Age (years) | 60 ± 13 | 71 ± 12 | <0.001 |
| Male gender (%) | 82.6% | 62.0% | 0.003 |
| Dyslipidemia (%) | 26.1% | 37.0% | 0.153 |
| Diabetes mellitus (%) | 23.9% | 30.4% | 0.407 |
| Hypertension (%) | 31.5% | 54.3% | 0.003 |
| STEMI (%) | 19.6% | 20.7% | 1.000 |
| NSTEMI (%) | 80.4% | 79.3% | 1.000 |
| PAD (%) | 6.5% | 45.7% | <0.001 |
| Heart rate (beat/min) | 70.3 ± 12.3 | 87.4 ± 17.3 | <0.001 |
| LVEF | 60.9 ± 15.2 | 55.8 ± 15.6 | 0.066 |
| CCI | 2.38 ± 1.64 | 3.95 ± 1.79 | <0.001 |
| Body mass index (kg/m2) | 24.7 ± 3.6 | 24.0 ± 4.0 | 0.231 |
| Ankle brachial index | 1.04 ± 0.11 | 0.86 ± 0.22 | <0.001 |
| UTCC (%) | 16.1 ± 2.07 | 25.9 ± 7.93 | <0.001 |
Abbreviations: CCI, Charlson comorbidity index; LVEF, left ventricular ejection fraction; NSTEMI, non-ST elevation myocardial infarction; PAD, peripheral artery disease; STEMI, ST-segment elevation myocardial infarction; UTCC, upstroke time per cardiac cycle.