Table 5.

Screening accuracy of DIBELS ORF score.

	Test Scores	Sensitivity	Specificity	PPV	NPV	AUC
Grade 1	Fall Median Passage	.32	.92	.75	.63	.77
	Fall Mean P123	.30	.94	.79	.63	.78
	Fall Mean P23	.30	.93	.76	.63	.77
	Fall Passage 3	.30	.89	.69	.62	.75
	Winter 1 Median Passage	.63	.78	.69	.73	.82
	Winter 1 Mean P123	.59	.84	.74	.72	.83
	Winter 1 Mean P23	.58	.81	.70	.71	.81
	Winter 1 Passage	.62	.71	.63	.71	.77
	Winter 2 Median Passage	.85	.78	.75	.87	.87
	Winter 2 Mean P123	.85	.79	.76	.87	.88
	Winter 2 Mean P23	.80	.82	.77	.84	.87
	Winter 2 Passage	.70	.85	.79	.78	.87
Grade 2	Fall Median Passage	.73	.79	.74	.78	.82
	Fall Mean P123	.75	.77	.72	.79	.83
	Fall Mean P23	.67	.84	.77	.76	.83
	Fall Passage 3	.61	.88	.81	.73	.83
	Winter 1 Median Passage	.75	.77	.73	.79	.84
	Winter 1 Mean P123	.74	.78	.73	.78	.85
	Winter 1 Mean P23	.69	.83	.77	.77	.85
	Winter 1 Passage	.65	.87	.80	.75	.85
	Winter 2 Median Passage	.77	.76	.73	.80	.86
	Winter 2 Mean P123	.75	.78	.74	.80	.86
	Winter 2 Mean P23	.70	.84	.78	.77	.86
	Winter 2 Passage	.63	.89	.82	.75	.85
Grade 3	Fall Median Passage	.83	.64	.54	.88	.83
	Fall Mean P123	.84	.63	.54	.88	.83
	Fall Mean P23	.80	.69	.57	.87	.83
	Fall Passage 3	.76	.74	.60	.86	.83
	Winter 1 Median Passage	.84	.65	.55	.89	.84
	Winter 1 Mean P123	.82	.68	.57	.88	.85
	Winter 1 Mean P23	.75	.77	.63	.86	.85
	Winter 1 Passage	.63	.86	.71	.82	.84
	Winter 2 Median Passage	.81	.68	.57	.87	.84
	Winter 2 Mean P123	.80	.70	.57	.87	.84
	Winter 2 Mean P23	.74	.76	.61	.85	.84
	Winter 2 Passage	.65	.83	.66	.82	.83

Note. Mean P23=Mean of Passages 2 and 3; Mean P123=Mean of Passages 1, 2, and 3; SE=Sensitivity; SP=Specificity; PPV=Positive Predictive Value; NPV=Negative Predictive Value; AUC=Area Under the Curve.