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Table 1 Mean annular motion and differences.

From: The role of cardiac MR in identifying annulus paradoxus, a specific marker for constrictive pericarditis

  Number Mean medial annular Motion (mm) Mean lateral annular Motion (mm) Mean difference (negative indicating Paradoxical motion)
Study Population 64 8.80 9.96 1.16
Pericardial constriction 23 9.05 8.16 -0.88
Non Pericardial constriction 41 8.66 10.97 2.31
Non ischemic cardiomyopathies 22 6.31 8.77 2.46
Normal 19 11.37 13.52 2.14
P-values: Pericardial constriction vs.     
Non Pericardial constriction   0.63 <0.0014 <0.0005
Non-ischaemic cardiomyopathies   0.0028 0.50 <0.0005
Normal   0.003 <0.0005 <0.0005