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Table 1 Intraclass Coefficients of Variability for peak Systolic Strain Intra- and Interobserver Variability

From: Systematic method for cleaning circumferential strain from raw harmonic phase magnetic resonance imaging (HARP) analyzed data

 

Septal R2

Pr > F

Inferior R2

Pr > F

Lateral R2

Pr > F

Anterior R2

Pr > F

Intraobserver Raw

0.87

0.05

0.88

< 0.01

0.83

0.02

0.72

0.11

Intraobserver Clean

0.93

< 0.01

0.86

< 0.01

0.88

< 0.01

0.82

0.02

Interobserver Raw

0.93

< 0.01

0.64

0.24

0.83

0.02

0.66

0.21

Interobserver Clean

0.96

< 0.01

0.91

< 0.01

0.83

0.02

0.78

0.05