Table 4: Myocardial Perfusion Reserve Index (MPRI) by Agent Received.
MPRI |
Groups |
Adenosine (99 cases, 20 controls) |
Regadenoson (40 cases, 20 controls) |
p-value |
Unadjusted |
Cases |
1.73 ± 0.38 |
2.27 ± 0.59 |
<0.0001 |
Controls |
2.27 ± 0.33 |
2.38 ± 0.44 |
0.36 |
|
Adjusted for stress RPP* |
Cases |
1.73 ± 0.05 |
2.27 ± 0.07 |
<0.0001 |
Adjusted for invasive CFR* |
Cases |
1.74 ± 0.04 |
2.30 ± 0.07 |
<0.0001 |
*mean ± SE
CFR= coronary flow reserve to intracoronary adenosine, HR= heart rate, MPRI= myocardial perfusion reserve index, RPP= rate-pressure product.