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Table 3 Simulated relative errors of T1 intrinsic, kf TRiST and kf TwiST before and after Q spill-over correction determined over the range of parameters (Table 1) used to determine the coefficients for the spill-over corrected formulae (Table 2), including the effect of a varying T1 intrinsic per Eq. [5]

From: Two repetition time saturation transfer (TwiST) with spill-over correction to measure creatine kinase reaction rates in human hearts

  Relative error [%] (mean ± SD) Relative error [%] range (min, max)
T1 intrinsic (Eq. 4) −37.0 ± 16.4 (−66.2, −9.9)
T1 Q-intrinsic (Eq. 6) 0.8 ± 7.9 (−23.2, 16.2)
kf TRiST (Eq. 2) 12.0 ± 12.8 (−8.8, 71.8)
kf Q-TRiST (Eq. 7) −1.1 ± 10.3 (−35.8, 40.1)
kf TwiST (Eq. 5) −27.6 ± 17.7 (−60.6, 27.6)
kf Q-TwiST (Eq. 8) −2.3 ± 14.9 (−36.8, 47.3)