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. Author manuscript; available in PMC: 2023 Jun 27.
Published in final edited form as: Atherosclerosis. 2018 May 21;275:426–433. doi: 10.1016/j.atherosclerosis.2018.05.024

Table 4.

Quantitative measurement of lipid rich plaques using different HU cut-off.

Histology area (mm2) LAP area (mm2) Mean difference (mm2) p-value for difference Correlation coefficient p-value for correlation
−30–30 HU 0.34 ± 0.73 0.02 ± 0.06 0.32 ± 0.73 <0.001 0.138 0.162
−30–45 HU 0.34 ± 0.73 0.07 ± 0.2 0.27 ± 0.71 <0.001 0.228 0.019
−30–60 HU 0.34 ± 0.73 0.16 ± 0.36 0.17 ± 0.36 0.014 0.266 0.006
−30–75 HU 0.34 ± 0.73 0.37 ± 0.71 −0.03 ± 0.86 0.701 0.292 0.003
−30–90 HU 0.34 ± 0.73 0.71 ± 1.23 −0.37 ± 1.24 0.029 0.280 0.004

HU, hounsfield unit; LAP, low attenuation plaque.