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Table 3 Comparison between UK and Japanese patients in EEP-EIP, EED, breathing cycle, RR, the duration within 5 mm gating window per minute increased, the duration within 5 mm gating window per respiration and scan efficiency

From: Impact of an abdominal belt on breathing patterns and scan efficiency in whole-heart coronary magnetic resonance angiography: comparison between the UK and Japan

   UK Japan p value
EIP-EEP (mm) Pre 15.9 ± 6.0 14.0 ± 6.4 0.325
  BELT 9.7 ± 3.1 9.1 ± 4.6 0.250
EED (sec) Pre 1.49 ± 0.91 1.39 ± 0.67 0.902
  BELT 1.40 ± 0.65 1.44 ± 0.54 0.806
Breathing cycle (sec) Pre 6.93 ± 2.50 6.48 ± 2.50 0.512
  BELT 6.16 ± 2.28 5.50 ± 1.85 0.345
Respiratory rate (min-1) Pre 9.5 ± 2.8 10.4 ± 3.5 0.427
  BELT 10.7 ± 2.8 11.8 ± 3.1 0.301
Duration within 5 mm gating window per respiration (sec) Pre 3.3 ± 1.7 3.0 ± 1.3 0.605
  BELT 3.6 ± 1.9 3.2 ± 0.9 0.462
Duration within 5 mm gating window per minute (sec) Pre 27.8 ± 8.5 27.8 ± 7.3 0.991
  BELT 34.3 ± 9.6 36.6 ± 10.6 0.683
Scan efficiency using 5 mm gating window (%) Pre 44.2 ± 10.8 46.3 ± 32.2 0.621
  BELT 55.7 ± 16.7 61.0 ± 17.6 0.421