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Table 4 Comparison of CT-MPI and 82Rb PET MPI

From: Static CT myocardial perfusion imaging: image quality, artifacts including distribution and diagnostic performance compared to 82Rb PET

  CT-MPI 82Rb-PET MPI p
Patients with stress reversible perfusion defects (SDS > 0) 26 18 0.135
Summed Stress Score (SSS) 7.4 ± 7.1 2.5 ± 3.5  < 0.0001
Summed Rest Score (SRS) 1.6 ± 2.8 1.0 ± 2.3 0.105
Summed Difference Score (SDS) 5.8 ± 6.9 1.5 ± 2.3 0.0001
Total Perfusion Deficit Stress (TPDs) 10.9 ± 10.5 3.7 ± 5.2  < 0.0001
Total Perfusion Deficit Rest (TPDr) 2.4 ± 4.0 1.4 ± 3.4 0.105
Ischemic perfusion deficit (iTPD) 8.5 ± 10.1 2.3 ± 3.4 0.0001
  1. SSS, SRS, SDS, TPDs, TPDr, iTPD are expressed as average % ± standard deviation
  2. CT-MPI computed tomography myocardial perfusion imaging; Rb-PET Rubidium-positron emission tomography myocardial perfusion imaging