Table 2. Results of statistical analysis performed to compare the TR and BI.

		Transparency	Blurriness
MR	ρ	-0.877	0.757
	p-value	<0.001	<0.001
MT	ρ	0.828	-0.632
	p-value	<0.001	<0.001
μ a	ρ	-0.528	0.312
	p-value	<0.001	0.001
μ s ’	ρ	-0.902	0.750
	p-value	<0.001	<0.001

Results of statistical analysis (Pearson’s Correlations -ρ—and p-value) performed to compare the TR and BI obtained from the PBM with the optical parameters determined using the IAD method. Reflectance (MR), transmittance (MT), absorption (μ_a) and reduced scattering (μ_s’) coefficients.