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. Author manuscript; available in PMC: 2011 Apr 25.
Published in final edited form as: Microcirculation. 2008 Apr;15(3):191–202. doi: 10.1080/10739680701600856

Table 2.

The effects of age on the Fractal and Fourier analysis of the hepatic sinusoidal network. The figures in parentheses refer to the number of valid observations. All units are dimensionless.

Parameter Young (n=52) Old (n=44)
Fractal dimension (Box counting method) 1.891±0.011 1.888±0.019
Fractal dimension (FFT) 2.387±0.022 2.339±0.038*
Energy of Fourier radial distribution (×10−5) 8.27±4.31 27.86±14.78*
Entropy of Fourier radial distribution (×10−4) −2.78±0.89 −4.99±1.67*
Area of Fourier radial distribution (×10−3) 3.63±0.98 5.79±1.71*
*

P < 0.0001