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Table 2 Image quality and dark rim artefact results.

From: Effect of improving spatial or temporal resolution with k-t SENSE acceleration in first pass CMR myocardial perfusion imaging

   REFERENCE k-t High k-t Fast k-t Hybrid P value
Mean Image Quality Score Stress 1.7 1.6 1.7 1.9 0.590
  Rest 2 2.1 1.9 2.4 0.015
Mean Rim Thickness (mm) Stress 3.4 1.1 3.0 1.8 <0.001
  Rest 3.4 1.3 2.7 2.2 <0.001
Mean Rim Extent (%) Stress 16.1 2.2 6.0 4.6 <0.001
  Rest 14.5 1.7 5.0 4.7 <0.001
Mean Rim Duration (frames) Stress 11 7 11 10 0.07
  Rest 13 9 11 13 0.008