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Table 1 Intraobserver, Interobserver and Inter-study reproducibility of CMR

From: Reproducibility of First Pass Perfusion CMR at rest and during hyperaemia for estimation of myocardial perfusion

  Semi quantitative (Unit less) Quantitative (ml/g/min)
  Rest MPI Stress MPI Reserve Index Rest Stress Reserve
Intraobserver       
Mean ± SD 0.11 ± 0.02 0.18 ± 0.03 1.73 ± 0.3 1.94 ± 0.4 4.3 ± 0.6 2.3 ± 0.5
Mean%difference ± SD 0.46 ± 6.65 0.67 ± 3 0.7 ± 6 5.4 ± 14 8 ± 8 3.5 ± 16.8
Coefficiant of Variability(%) 7% 3% 5.4% 12% 8% 19.7%
p-value (Student t test) 0.89 0.92 0.46 0.61 0.18 0.81
Interobserver
Mean ± SD 0.11 ± 0.02 0.19 ± 0.03 1.7 ± 0.3 1.9 ± 0.37 3.9 ± 0.5 2.14 ± 0.4
Mean%difference ± SD 9 ± 8 4.8 ± 4 4 ± 8.6 0.37 ± 20 10 ± 20 10 ± 27
Coefficiant of Variability(%) 9.8% 4.3% 4 ± 8.6 21.6% 20.6% 28.8%
p-value (Student t test) 0.18 0.45 0.63 0.99 0.14 0.22
Mean ± SD 0.11 ± 0.02 0.19 ± 0.03 1.79 ± 0.36 1.77 ± 0.3 4.2 ± 0.5 2.5 ± 0.42
Mean%difference ± SD 3 ± 17 0.9 ± 12 3.8 ± 24 13 ± 20 4.3 ± 21 17 ± 27
Coefficiant of Variability(%) 17.63% 13.6% 27% 22% 21.5% 28.9%
p-value (Student t test) 0.18 0.71 0.56 0.14 0.52 0.11