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Table 3 Reproducibility of the primary and secondary DSE and SPECT parameters

From: The effect of cardiac shock wave therapy on myocardial function and perfusion in the randomized, triple-blind, sham-procedure controlled study

  Mean difference ± SD Inter-observer ICC 95% CI P value
WMS at stress during DSE −1.7 ± 4.6 0.816 (0.54, 0.93) < 0.001
SDS during SPECT 0.73 ± 3.4 0.757 (0.64, 0.84) < 0.001
LVEF at stress during DSE, % 3.8 ± 8.3 0.774 (0.45, 0.92) < 0.001
Global PSS stress, % −2.0 ± 2.6 0.602 (0.13, 0.85) 0.009
SSS during SPECT 0.01 ± 3.1 0.950 (0.92, 0.97) < 0.001
WMS at rest during DSE −0.2 ± 4.1 0.861 (0.64, 0.95) < 0.001
LVEF at rest during DSE, % 1.3 ± 4.6 0.932 (0.81, 0.98) < 0.001
SRS during SPECT −0.57 ± 2.9 0.942 (0.91, 0.96) < 0.001
Global PSS rest, % −1.02 ± 1.8 0.625 (0.14, 0.87) 0.008
  1. CI confidence interval, ICC interclass correlation coefficient, LV left ventricular, PSS peak systolic strain, SD standard deviation