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Table 1 Comparison among control group, scar<5% group, and scar>5% group with peak volume, LA ejection fraction, LA emptying fraction, peak strain, and peak diastolic strain rate. * p<0.05 for comparison between scar<5% and scar>5% groups. ^ p<0.05 for comparison between control and scar>5% groups

From: Association between left atrial function using multimodality tissue tracking from cine MRI and myocardial scar in the multi-ethnic study of atherosclerosis (MESA)

  Median (25th percentile ,75th percentile)
  Control (n=136) Scar<5% (n=93) Scar>5% (n=43)
Peak Volume ml 75.55 (62.85, 88.11) 73.97 (63.10, 85.74) 79.37 (62.60, 102.91)
LA Ejection Fraction % 37 (29, 42) 37 (29, 42) 35 (28, 40)
LA Emptying Fraction % 48 (40, 53) 50 (42, 53) 44* (39, 50)
Peak Strain % 23.78 (19.32, 30.33) 25.31 (20.63, 31.99) 21.46^ (18.65, 26.32)
Peak Diastolic Strain Rate %/ms -0.70 (-1.00, -0.45) -0.80 (-1.04, -0.49) -0.59*^ (-0.83, -0.44)