Diagnostic indicator

C-ACT

Patient subscale

Parent subscale

Cut-off point

≥15

≥7

≥6

Sensitivity (%)

98.0

96.0

98.0

Specificity (%)

14.3

17.9

10.7

Concordance (%)

79.5

78.7

78.7

Positive likelihood ratio

1.14

1.17

1.10

Negative likelihood ratio

0.14

0.23

0.19