Comparison of MBF Parameters for Patients Divided into Groups for Whom 14-Segment MFR Was Below or Above Median
MFR < 1.95 | MFR ≥ 1.95 | |||
Parameter | Segments 1–17 | Segments 4–17 | Segments 1–17 | Segments 4–17 |
Rest MBF (mL/g/min) | 0.91 ± 0.58* | 0.98 ± 0.61 | 0.67 ± 0.40* | 0.72 ± 0.42 |
Stress MBF (mL/g/min) | 1.23 ± 0.78* | 1.35 ± 0.84 | 1.81 ± 0.92* | 1.98 ± 0.97 |
MFR | 1.40 ± 0.34* | 1.42 ± 0.35 | 2.86 ± 0.94* | 2.90 ± 0.91 |
Rest CVR (mm Hg/mL/g/min) | 136 ± 79* | 125 ± 73 | 182 ± 89* | 167 ± 83 |
Stress CVR (mm Hg/mL/g/min) | 103 ± 60* | 94 ± 56 | 64 ± 31* | 58 ± 28 |
%SD of rest MBF | 39% ± 10%* | 31% ± 10% | 38% ± 9%* | 30% ± 9% |
%SD of stress MBF | 43% ± 12%* | 34% ± 13% | 38% ± 9%* | 30% ± 9% |
%SD of MFR | 26% ± 11% | 30% ± 23% | 24% ± 9% | 26% ± 9% |
↵* P < 0.0001 vs. segments 4–17.