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. Author manuscript; available in PMC: 2019 Jun 13.
Published in final edited form as: Ann Thorac Surg. 2014 Sep 22;98(5):1536–1542. doi: 10.1016/j.athoracsur.2014.07.005

Table 4.

Interphase Metrics of Annulus Properties, Yielding Comparative Analysis Between End Diastole and End Systole

Annulus
Properties		 ED ES ED-ES
Change		 p
Value
Centroid distance, mm … … 11.3 ± 3.7 …
Anteroposterior diameter, mm 41.1 ± 8.4 40.4 ± 7.8 0.7 0.57
Septolateral diameter, mm 40.9 ± 8.0 37.9 ± 4.9 3.0 0.017
Sum of squared errors 257.6 344.3 −86.7 0.37

The p values calculated using a paired t test of the end-diastolic (ED) and end-systolic (ES) values. The centroid distance was not analyzed with the paired t test owing to the nonpaired nature of the metric.