Table 8 Sample size estimates for myocardial perfusion by CMR.
Patient Group | SD* | Sample Size† |
|---|---|---|
All subjects | ||
2 segment change in number of ischemic segments | 0.88 | 12 |
0.10 change in transmural ischemia index | 0.10 | 46 |
0.20 change in myocardial perfusion reserve index | 0.26 | 74 |
Low risk coronary artery disease - Control | ||
2 segment change in number of ischemic segments | 0.57 | 8 |
0.10 change in transmural ischemia index | 0.11 | 54 |
0.20 change in myocardial perfusion reserve index | 0.28 | 86 |
Coronary artery disease - Case | ||
2 segment change in number of ischemic segments | 1.14 | 16 |
0.10 change in transmural ischemia index | 0.09 | 38 |
0.20 change in myocardial perfusion reserve index | 0.22 | 54 |