Table 2.

Mean and standard errors of reduced scattering (${\mu \mathrm{s}}^{\prime }$) and absorption ($\mu \mathrm{a}$) coefficients of seven perfused placental tissues.

Placenta	${\mu \mathrm{s}}^{\prime }$ (760) (${\mathrm{mm}}^{-1}$)	$\mu \mathrm{a}$ (760) (${\mathrm{mm}}^{-1}$)	${\mu \mathrm{s}}^{\prime }$ (840) (${\mathrm{mm}}^{-1}$)	$\mu \mathrm{a}$ (840) (${\mathrm{mm}}^{-1}$)
1	0.924 ($\pm 0.014$)	0.005 ($\pm 0.003$)	0.798 ($\pm 0.011$)	0.006 ($\pm 0.003$)
2	0.822 ($\pm 0.004$)	0.008 ($\pm 0.0001$)	0.721 ($\pm 0.004$)	0.005 ($\pm 0.0001$)
3	1.055 ($\pm 0.020$)	0.018 ($\pm 0.002$)	0.928 ($\pm 0.009$)	0.013 ($\pm 0.0009$)
4	1.020 ($\pm 0.012$)	0.015 ($\pm 0.001$)	0.903 ($\pm 0.009$)	0.006 ($\pm 0.0005$)
5	0.900 ($\pm 0.023$)	0.015 ($\pm 0.004$)	0.787 ($\pm 0.011$)	0.007 ($\pm 0.002$)
6	0.899 ($\pm 0.013$)	0.008 ($\pm 0.0009$)	0.821 ($\pm 0.007$)	0.004 ($\pm 0.0004$)
7	0.979 ($\pm 0.021$)	0.017 ($\pm 0.001$)	0.859 ($\pm 0.010$)	0.005 ($\pm 0.001$)
Mean	0.943 ($\pm 0.015$)	0.012 ($\pm 0.002$)	0.831 ($\pm 0.009$)	0.007 ($\pm 0.001$)