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Table 5 Intra- and interobserver reproducibility of CT-FT strain

From: Assessment of regional left ventricular myocardial strain in patients with left anterior descending coronary stenosis using computed tomography feature tracking

Strain

Coefficient ofvariability (%)

ICC(95%CI)

Interobserver variability

 LAD CS

7.0

0.90 (0.86–0.93)

 LAD RS

6.7

0.88 (0.79–0.96)

 LAD LS

6.5

0.86 (0.84–0.89)

 GCS

7.8

0.96 (0.93–1.00)

 GRS

7.4

0.94 (0.92–1.00)

 GLS

6.6

0.87 (0.85–0.93)

Intraobserver variability

 LAD CS

5.9

0.89 (0.84–0.94)

 LAD RS

6.6

0.91 (0.86–0.96)

 LAD LS

7.6

0.95 (0.90–0.98)

 GCS

6.1

0.91 (0.88–0.93)

 GRS

5.5

0.86 (0.83–0.91)

 GLS

7.2

0.93 (0.90–0.95)

  1. RS radial strain, CS circumferential strain, LS longitudinal strain, GRS global radial strain, GCS global circumferential strain, GLS global longitudinal strain