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. Author manuscript; available in PMC: 2023 Jan 17.
Published in final edited form as: Phys Med Biol. 2022 Jan 17;67(1):10.1088/1361-6560/ac4562. doi: 10.1088/1361-6560/ac4562

Table 2.

Linear regression fit quality (R2 and slope) for ground-truth vs. estimated speed of sound.

In vivo + Post-mortem Post-mortem only
Local Speed of Sound
R 2 0.59 0.74
slope 0.78 ± 0.15*** 0.82 ± 0.15***
Global Average Speed of Sound
R 2 0.46 0.74
slope 0.32 ± 0.08** 0.37 ± 0.07***
*

p < 0.01

**

p < 0.005

***

p < 0.001