Table 2.

Summary of classifier results using different subsets of parameters.

	Sensitivity	Specificity	PPV	NPV	Accuracy
Intensity	78.2%	82.2%	83.6%	76.5%	80.1%
Birefringence	87.9 %	85.0%	87.2 %	85.8%	86.6%
Both	94.4%	92.5%	93.6 %	93.4%	93.5%