Table 3:

Area Under the ROC Curve [95% CI] for Dichotomized and Binary Outcomes

		Predictor
Outcome	Cohort	Probability from Predictive Model	Mean of All Prior Observations	Most Recent Prior Observation
PHQ* ≥ 10	NNDC (n=648)	0.85 [0.82 – 0.88]	0.75 [0.70 – 0.79]	0.75 [0.71 – 0.79]
	JHHCC (n=1,166)	0.84 [0.80 – 0.88]	0.75 [0.71 – 0.79]	0.72 [0.68 – 0.76]
GAD-7† ≥ 10	NNDC (n=636)	0.85 [0.82 – 0.88]	0.63 [0.57 – 0.69]	0.63 [0.57 – 0.69]
	JHHCC (n=592)	0.84 [0.79 – 0.88]	0.75 [0.71 – 0.78]	0.69 [0.65 – 0.73]
ASRM‡ ≥ 6	NNDC (n=602)	0.77 [0.72 – 0.82]	0.62 [0.55 – 0.69]	0.57 [0.50 – 0.65]
AUDIT-C§ ≥ 3 female/4 male	JHHCC (n=1,197)	0.90 [0.88 – 0.92]	0.90 [0.87 – 0.92]	0.86 [0.83 – 0.90]
Heroin Use	JHHCC (n=1,193)	0.88 [0.84 – 0.92]	0.64 [0.58 – 0.70]	0.64 [0.58 – 0.70]
Cocaine Use	JHHCC (n=1,196)	0.89 [0.85 – 0.92]	0.87 [0.84 – 0.91]	0.81 [0.77 – 0.85]

^*PHQ = Patient Health Questionnaire (9-item scale for NNDC ranges from 0–27, 8-item scale for JHHCC ranges from 0–24).

^†GAD-7 = Generalized Anxiety Disorder scale (ranges from 0–21).

^‡ASRM = Altman Self-Rating Mania Scale (ranges from 0–20).

^§AUDIT-C = Alcohol Use Disorders Identification Test consumption questions (ranges 0–12).