Table 2.

Diagnostic utility of the number of parent- and child-reported worry domains (SAD/SP as comparison group).

No. of reported worry domains	Sensitivity	Specificity	PPP	cPPP	NPP	cNPP	Base rate	κ
Parent-reported worries
9	.05	1	1	1	.39	.02	.03	.04
8	.08	1	1	1	.40	.03	.05	.06
7	.13	1	1	1	.41	.05	.08	.10
6	.29	.98	.96	.89	.46	.13	.19	.22
5	.42	.96	.94	.85	.50	.20	.28	.32
4	.61	.94	.94	.84	.59	.34	.40	.49
3	.80	.83	.89	.70	.71	.54	.56	.61
2	.91	.67	.82	.52	.82	.71	.69	.60
1	.99	.48	.76	.36	.96	.93	.81	.51
Child-reported worries
9	.02	.99	.50	.22	.64	.01	.02	.01
8	.05	.98	.50	.22	.64	.01	.03	.03
7	.09	.96	.57	.33	.65	.04	.06	.06
6	.14	.92	.50	.22	.65	.04	.10	.07
5	.18	.90	.50	.22	.66	.06	.13	.09
4	.32	.83	.52	.25	.68	.12	.22	.17
3	.36	.76	.46	.15	.68	.12	.29	.13
2	.52	.69	.49	.20	.72	.22	.39	.21
1	.68	.50	.43	.12	.74	.27	.57	.16

Note. SAD/SP = youth with other anxiety disorders; PPP = positive predictive power; NPP = negative predictive power; c = corrected; base rate = percentage scoring at or above cut score; κ = agreement between classification and Anxiety Disorders Interview Schedule for Children and Parents after correcting for chance.