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Table 6 Intraclass correlation coefficient of T2P-SCS between CMR-FT mid and tissue tagging

From: Feature tracking compared with tissue tagging measurements of segmental strain by cardiovascular magnetic resonance

  Total study group (n = 30) Healthy volunteers (n = 10) LBBB (n = 10) HCM (n = 10)
  ICC (95%-CI) p-value ICC (95%-CI) p-value ICC (95%-CI) p-value ICC (95%-CI) p-value
1. Basal anterior 0.10 0.29 0.34 0.16 -0.21 0.73 0.39 0.15
(-0.26-0.45) (-0.32-0.78) (-0.76-0.46) (-0.41-0.83)
2. Basal anteroseptal 0.19 0.12 0.31 0.19 0.17 0.22 0.14 0.35
(-0.12-0.49) (-0.41-0.78) (-0.20-0.63) (-0.53-0.69)
3. Basal septal 0.28 0.06 -0.24 0.79 0.35 0.12 0.23 0.27
(-0.07-0.58) (-0.67-0.40) (-0.21-0.77) (-0.52-0.74)
4. Basal inferior 0.36 0.03 0.36 0.11 0.27 0.16 <0.01 0.49
(<-0.01-0.64) (-0.20-0.78) (-0.22-0.72) (-0.61-0.61)
5. Basal posterior 0.72 <0.001 0.24 <0.01 0.86 <0.001 0.60 <0.01
(0.49-0.86) (-0.05-0.69) (0.45-0.97) (-0.08-0.89)
6. Basal lateral 0.48 <0.01 0.26 0.23 -0.55 0.98 0.75 <0.01
(0.14-0.71) (-0.45-0.75) (-0.85-0.15) (0.26-0.94)
7. Mid anterior <0.01 0.48 0.47 0.07 0.12 0.37 -0.05 0.60
(-0.37-0.38) (-0.15-0.84) (-0.53-0.67) (-0.28-0.45)
8. Mid anteroseptal -0.08 0.70 0.36 0.15 -0.05 0.66 0.59 0.04
(-0.33-0.24) (-0.37-0.80) (-0.20-0.31) (-0.09-0.89)
9. Mid septal -0.08 0.66 -0.17 0.68 -0.14 0.64 0.02 0.48
(-0.45-0.30) (-0.78-0.51) (-0.81-0.54) (-0.75-0.67)
10. Mid inferior 0.08 0.33 0.06 0.43 -0.01 0.51 0.08 0.41
(-0.29-0.43) (-0.55-0.64) (-0.71-0.62) (-0.65-0.67)
11. Mid posterior 0.22 0.13 0.22 0.07 -0.21 0.72 <-0.01 0.51
(-0.16-0.54) (-0.12-0.65) (-0.78-0.48) (-0.77-0.65)
12. Mid lateral 0.35 0.03 -0.04 0.55 0.05 0.44 0.17 0.34
(-0.02-0.64) (-0.60-0.56) (-0.59-0.64) (-0.64-0.74)
13. Apical anterior -0.13 0.74 0.08 0.41 -0.09 0.65 0.18 0.20
(-0.49-0.26) (-0.63-0.67) (-0.44-0.45) (-0.18-0.65)
14. Apical septal 0.20 0.16 -0.10 0.62 0.32 0.19 0.24 0.27
(-0.19-0.53) (-0.66-0.53) (-0.41-0.78) (-0.52-0.78)
15. Apical inferior 0.28 0.06 0.33 0.02 0.39 0.07 0.39 0.03
(-0.08-0.58) (-0.12-0.76) (-0.14-0.79) (-0.13-0.82)
16. Apical lateral 0.50 <0.01 0.08 0.35 0.50 0.05 0.60 0.06
(0.16-0.74) (-0.23-0.54) (-0.07-0.84) (-0.18-0.91)
Mean 0.38 0.02 0.49 0.02 0.17 0.18 0.60 0.02
  (0.04-0.65)   (-0.08-0.84)   (-0.15-0.61)   (0.06-0.88)  
  1. Intraclass correlation coefficient (ICC), time to systolic circumferential strain (T2P-SCS), cardiovascular magnetic resonance myocardial feature-tracking with mid-wall contours (CMR-FTmid), 95%-coincidence interval (95%-CI), left bundle branch block patients (LBBB), hypertrophic cardiomyopathy patients (HCM).