Appendix Table 2A.

Test Characteristics of the ADA Model.

Threshold	Sensitivity, %	Specificity, %	Positive likelihood ratio	Negative likelihood ratio	Positive predictive value, %	Negative predictive value, %
5	100	0	1.00	–	40	–
15	100	1	1.01	0.00	41	100
20	100	4	1.04	0.00	41	100
25	100	10	1.12	0.00	43	100
30	99	15	1.16	0.09	44	94
35	97	22	1.24	0.13	46	92
40	93	35	1.44	0.20	49	88
45	79	63	2.12	0.34	59	81
50	65	71	2.27	0.49	61	75
55	44	87	3.27	0.65	69	69
60	24	94	4.19	0.81	74	65
65	17	97	5.92	0.86	80	63
70	11	100	–	0.89	100	63
75	7	100	–	0.93	100	61
SO	3	100	–	0.97	100	60
85	1	100	–	0.99	100	60