Table 1.

AUC estimates of polarimetric parameters or sets of parameters that are linear or non-linear functions of the Mueller matrix. Standard deviations are computed from three permutations of testing and training sets among 24 patients. Within ±1σ the AUC of: Scalar Retardance, 4 eigenvalues of the coherency matrix, 3 smallest eigenvalues of the coherency matrix, and 3 smallest eigenvalues of the coherency matrix together with the scalar retardance are all equivalent. These parameters are non-linear functions of the Mueller matrix and require measurement of the full Mueller matrix. Linear transforms of the Mueller matrix do not exceed an average AUC of 0.91. J-CQO parameters do not require a full Mueller Matrix measurement and the maximum average AUC is 0.90 for 6 measurements.

	$\overline{\text{AUC}}$	σ AUC
Linear Polarimetric Parameter(s)
Mueller Matrix	0.90	0.05
Mueller elements: m00, m20, m21	0.90	0.05
Coherency Matrix	0.90	0.07
Coherency elements: c11, c22, real(c12), imag(c02)	0.91	0.05
J-CQO 3 PSA/PSG measurements	0.88	0.07
J-CQO 6 PSA/PSG measurements	0.90	0.03
Non-linear Polarimetric Parameter(s)
Scalar Retardance	0.94	0.03
Depolarization Index	0.49	0.06
4 Eigenvalues of coherency matrix	0.93	0.03
3 Smallest Eigenvalues of coherency matrix	0.93	0.02
3 Smallest Eigenvalues + Scalar Retardance	0.95	0.02
Entropy of coherency Eigenspectrum	0.48	0.10