Table 2 Summary of the percent differences between MPS and MR imaging for left ventricular parameters and the percent differences of inter- and intra-observer variability for MR imaging quantification.
EDV | bias | variability | ESV | bias | variability | SV | bias | variability | EF (% of EF) | bias | variability | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
QGS(*) | -34 ± 21% | ‡‡‡ | ‡ | -22 ± 50% | § † | -41 ± 19% | §§§ ‡‡‡ | §§§ ‡‡‡ | -9 ± 27% | § † ‡ | ||
ECTb(§) | -33 ± 23% | ‡‡‡ | ‡‡ | -37 ± 46% | * † ‡ | -30 ± 30% | *** ††† ‡‡‡ | *** ††† | 6 ± 29% | * † ‡ | ||
MyoMetrix(†) | -30 ± 21% | ‡‡‡ | -12 ± 53% | * § | -41 ± 21% | §§§ ‡‡‡ | §§§ ‡‡‡ | -15 ± 27% | * § ‡ | |||
Exini(‡) | -22 ± 17% | *** §§§ ††† | * §§ | -20 ± 44% | § | -21 ± 29% | *** §§§ ††† | *** ††† | 0 ± 28% | * § † | ||
MR imaging Inter-observer variability | 3 ± 9% | 4 ± 31% | 3 ± 11% | 0 ± 14% | ||||||||
MR imaging Intra-observer variability | 0 ± 3% | 3 ± 12% | 1 ± 5% | 1 ± 5% |