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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: JACC Cardiovasc Imaging. 2012 Mar;5(3):273–281. doi: 10.1016/j.jcmg.2011.11.013

Table 5.

Angles between Principal Strain Directions and Normal Strain (Circumferential, Longitudinal, and Radial) Directions is depicted in the table below.

Variable Base Mid Distal
HTN (±SD) Control (±SD) P value HTN (±SD) Control (±SD) P value HTN (±SD) Control (±SD) P value
Ecc Angle (°) 37.22 (4.03) 36.08 (3.26 ) NS 33.86 (4.68) 30.68 (4.87) <0.001 35.41 ( 5.08) 31.07 (5.27) <0.001
Ell Angle (°) 38.49 (3.99) 37.05 (3.72) 0.06 (NS) 35.16 (4.47) 33.13 (6.20) 0.004 36.46 (6.32 ) 35.49 (7.42) NS
Err Angle (°) 15.91 (7.79) 14.89 (7.41) NS 16.64 (6.41) 14.97 (7.86) NS 26.57 (11.39) 24.62 (11.22) NS

P-value significant level is <0.0056 ; NS= not significant