Table 2.

Diagnostic efficiency results

	Sensitivity	Specificity	PPP	NPP	TPV	AUC
3rd grade
Fall DORF	0.96	0.55	0.33	0.98	0.63	0.87
Fall 4Sight	0.96	0.44	0.29	0.98	0.54	0.89
Winter DORF	0.95	0.59	0.36	0.98	0.66	0.87
Winter 4Sight	0.94	0.63	0.40	0.98	0.70	0.91
4th grade
Fall DORF	0.88	0.49	0.30	0.94	0.57	0.79
Fall 4Sight	0.96	0.43	0.28	0.98	0.53	0.83
Winter DORF	0.79	0.59	0.33	0.92	0.63	0.79
Winter 4Sight	0.90	0.62	0.43	0.95	0.69	0.88
5th grade
Fall DORF	0.97	0.58	0.38	0.99	0.66	0.92
Fall 4Sight	1.00	0.63	0.41	1.00	0.70	0.92
Winter DORF	0.93	0.61	0.41	0.97	0.68	0.92
Winter 4Sight	0.87	0.74	0.47	0.96	0.76	0.91

Note. PPP = positive predictive power, NPP = negative predictive power, TPV = total predictive value, AUC = area under curve.