Screening of the college students at clinical high risk for psychosis in China: a multicenter epidemiological study

Table 2 Accuracy of PQ-B total score and distress score in screening CHR

PQ-B cutoff	Sensitivity (%)	Specificity (%)	YI^a	LR + ^a	AUC^a	95% CI	p
Total score
≥ 10	94.4	61.9	0.56	2.48	0.842	0.806–0.877	< 0.001
≥ 11	91.7	65.6	0.57	2.67	0.842	0.806–0.877	< 0.001
≥ 12	91.7	68.9	0.61	2.95	0.842	0.806–0.877	< 0.001
≥ 13^b	91.7	71.5	0.63	3.22	0.842	0.806–0.877	< 0.001
≥ 14	87.5	74.1	0.62	3.38	0.842	0.806–0.877	< 0.001
≥ 15	86.1	76.3	0.62	3.63	0.842	0.806–0.877	< 0.001
Distress score
≥ 43	90.3	78.2	0.69	4.14	0.900	0.863–0.937	< 0.001
≥ 44	90.3	79.2	0.70	4.34	0.900	0.863–0.937	< 0.001
≥ 45	90.3	80.3	0.71	4.58	0.900	0.863–0.937	< 0.001
≥ 46^b	90.3	81.2	0.72	4.80	0.900	0.863–0.937	< 0.001
≥ 47	83.3	82.2	0.66	4.68	0.900	0.863–0.937	< 0.001
≥ 48	79.2	83.0	0.62	4.66	0.900	0.863–0.937	< 0.001

^aYI Youden’s index, LR+ positive likelihood ratio, AUC area under the curve
^bcutoff point with the highest YI

ISSN: 1471-244X