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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2016 Jul 9;64(1):218–231. doi: 10.1109/TUFFC.2016.2588979

TABLE VIII.

R&R results for all the phantoms estimated using Model 2 for an unbalanced data set (N=60 for each phantom)

Phantom ID/R&R Parameters P2 P4 P6
Total AC R&R (dB/cm-MHz)2 2.69×10−4 2.44×10−4 3.14×10−4
AC Repeatability (dB/cm-MHz)2 2.45×10−4 2.37×10−4 3.14×10−4
AC Reproducibility (dB/cm-MHz)2 2.43×10−5 6.83×10−6 0
Total logBSC R&R (dB)2 0.244 0.230 0.257
logBSC Repeatability (dB)2 0.190 0.209 0.251
logBSC Reproducibility (dB)2 0.054 0.021 0.006