Table 1.
Clinical data comparison of patients in CSF and NCF groups
| Variables | CSF group (n = 39) | NCF group (n = 46) | t/χ2/Z | P-value |
|---|---|---|---|---|
| Cardiovascular risk factors | ||||
| Age (years) | 59.82 ± 9.67 | 57.54 ± 10.85 | −1.01a | 0.314 |
| Male, n (%) | 28 (71.79) | 29 (63.04) | 0.73b | 0.392 |
| BMI (kg/m2) | 25.52 ± 3.49 | 24.65 ± 3.58 | −1.13a | 0.261 |
| WBC (×109/L) | 5.80 [5.20–7.70] | 6.50 [5.65–8.25] | −1.77c | 0.078 |
| NEU (×109/L) | 3.59 [3.07–4.70] | 3.93 [3.19–5.56] | −1.77c | 0.077 |
| HCY (umol/L) | 10.88 [10.07–13.46] | 9.43 [8.06–11.84] | −2.74c | 0.006 |
| CHOL (mmol/L) | 4.36 ± 1.14 | 3.78 ± 0.90 | −2.66a | 0.009 |
| HDL-C (mmol/L) | 1.20 ± 0.30 | 1.14 ± 0.25 | −0.93a | 0.354 |
| LDL-C (mmol/L) | 2.39 ± 0.77 | 2.03 ± 0.71 | −2.26a | 0.026 |
| Hypertension, n (%) | 23 (58.97) | 21 (45.65) | 1.50b | 0.221 |
| Smoking, n (%) | 24 (61.54) | 20 (43.48) | 2.76b | 0.097 |
| CCTA | ||||
| EATV (mL) | 128.83 ± 21.59 | 101.87 ± 18.56 | −6.83a | < 0.001 |
| Epicardial FAI (HU) | −84.79 ± 5.96 | −83.48 ± 6.53 | 0.96a | 0.342 |
| Echocardiography | ||||
| LV diameter (mm) | 49.04 ± 4.53 | 47.47 ± 3.14 | −1.60a | 0.115 |
| LVEF | 0.64 ± 0.06 | 0.63 ± 0.04 | 2.68a | 0.269 |
| E/A | 0.84 ± 0.29 | 0.92 ± 0.33 | 0.95a | 0.345 |
The data are expressed as n (%) or mean± SD or median [Q1-Q3]
CSF coronary slow flow, NCF normal coronary flow, BMI body mass index, WBC white blood cells, NEU neutrophils, HCY homocysteine, CHOL serum total cholesterol, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, CCTA coronary computed tomography angiography, EATV epicardial adipose tissue volume, FAI fat attenuation index, LV left ventricular, LVEF left ventricular ejection fraction, E/A the ratio of diastolic mitral inflow velocity E peak and A peak
a indicates t-value; b indicates χ2-value; c indicates Z-value