| |
All patients |
MetS |
No MetS |
P-value |
| Baseline coronary function |
|
|
|
|
| CBF, mL/min |
43.9 ± 31.7 |
45.4 ± 27.9 |
42.0 ± 36.0 |
0.29 |
| CVR, mmHg×min/mL |
3.59 ± 2.39 |
3.46 ± 2.37 |
3.77 ± 2.42 |
0.20 |
| Coronary artery diameter, mm |
2.62 ± 0.73 |
2.65 ± 0.73 |
2.57 ± 0.72 |
0.25 |
| Responses to acetylcholine |
|
|
|
|
| Change of CBF, % |
108 ± 98 |
97 ± 93 |
122 ± 102 |
0.015 |
| Change of CVR, % |
–40 ± 29 |
–37 ± 31 |
–45 ± 27 |
0.008 |
| Change of coronary diameter, % |
–0.92 ± 11.01 |
–1.72 ± 11.32 |
0.12 ± 10.56 |
0.10 |
| Responses to nitroprusside |
|
|
|
|
| Change of CBF, % |
126 ± 85 |
126 ± 81 |
125 ± 90 |
0.95 |
| Change of CVR, % |
–52 ± 21 |
–52 ± 19 |
–51 ± 23 |
0.50 |
| Change of coronary diameter, % |
17.40 ± 14.07 |
16.85 ± 14.38 |
18.16 ± 13.64 |
0.45 |
| Responses to adenosine |
|
|
|
|
| Change of CBF, % |
314 ± 157 |
298 ± 156 |
335 ± 157 |
0.03 |
| Change of CVR, % |
–72 ± 11 |
–71 ± 11 |
–74 ± 10 |
0.029 |
BMI: Body-Mass Index; CAD: Coronary Artery Disease; CBF: Coronary Blood Flow; CVR: Coronary Vascular Resistance
Categorical variables are presented as absolute (relative) frequencies; continuous variables, as mean ± SD.
P-values for comparisons between patients with and without MetS are derived from student’s t-test for unpaired measures. |
