Table 4.
Correlations between EF and EF Shape Vector and traditionally measured parameters
| Parameter | Ejection Fraction EF [%] | EF Shape Vector |
|---|---|---|
| N = 19 | N = 19 | |
| Ejection Fraction EF [%] | - | r = 0.521* (p = .022) |
| Body Surface Area BSA [m2] | r = −0.147 (p = .548) | r = 0.000 (p = .999) |
| Age [years] | r = −0.243 (p = .316) | r = −0.142 (p = .561) |
| Height H [mm] | r = −0.391 (p = .098) | r = −0.246 (p = .310) |
| Volume iV [mm3/m2] | τ = −0.322 (p = .058) | τ = −0.228 (p = .172) |
| Surface Area iAsurf [mm2/m2] | r = −0.571*(p = .011) | r = −0.320 (p = .181) |
| Centreline length iLCL[mm/m2] | r = −0.255 (p = .293) | r = −0.338 (p = .157) |
| Centreline Tortuosity iToCL | r = −0.039 (p = .874) | r = 0.267 (p = .269) |
| Ratio Asurf/V | r = −0.386 (p = .103) | r = 0.072 (p = .770) |
| Median Curvature iCmed [1/mm m2] | r = 0.269 (p = .265) | τ = 0.158 (p = .345) |
| Maximum Diameter iDmax [mm/m2] | τ = −0.096 (p = .574) | τ = 0.064 (p = .064) |
| Minimum Diameter iDmin [mm/m2] | r = −0.409 (p = .082) | r = −0.239 (p = .324) |
| Median Diameter iDmed [mm/m2] | r = −0.363 (p = .127) | τ = −0.228 (p = .172) |
| Ascending Diameter iDasc [mm/m2] | τ = 0.000 (p = 0.999) | τ = 0.170 (p = .310) |
| Transverse Diameter iDtrans [mm/m2] | r = 0.020 (p = .937) | r = −0.018 (p = .942) |
| Isthmus Diameter iDisth [mm/m2] | r = −0.407 (p = .083) | r = −0.441 (p = .059) |
| Descending Diameter iDdesc [mm/m2] | r = −0.442 (p = .058) | r = −0.527* (p = .020) |
| Ratio Dasc/Ddesc | r = 0.312 (p = .193) | r = 0.735** (p < .001) |
| Ratio Disth/Dtrans | r = −0.362 (p = .128) | r = −0.453 (p = .052) |
| Ratio Disth/Ddesc | r = −0.152 (p = .535) | r = 0.083 (p = .736) |
| Ratio Dtrans/Ddesc | r = 0.456* (p = .050) | r = 0.457* (p = .049) |
| Arch height iA [mm/m2] | r = −0.154 (p = .529) | τ = −0.146 (p = .382) |
| Arch width iT [mm/m2] | r = 0.000 (p = .999) | r = 0.018 (p = .943) |
| Ratio A/T | r = −0.224 (p = .357) | r = −0.269 (p = .265) |
r denotes Pearson’s correlation coefficient for parametric correlations; τ denotes Kendall’s τ for non-parametric correlations; **marks significant level p ≤ .001; *marks significant level p ≤ .05