Table 1.

Automated RAPD Test Compared Against Post Hoc Impression

		Post Hoc Reference
		RAPD	Negative
Automated RAPD test	RAPD	37	4	90.2%
		48.4%	5.2%	positive predictive value
	Negative	8	28	77.8%
		10.4%	36.4%	negative predictive value
		82.2%	87.5%	84.4%
		Sensitivity	Specificity	Accuracy