Table 2:

Positive predictive values (PPVs) for confirmed psychosis across settings

	Setting	PPV (N)	95% CI	Total N
Massachusetts General Brigham (MGB)
	Emergency	0.80 (20)	0.64 – 0.96	25
	Inpatient	0.70 (80)	0.61 – 0.78	115
	Outpatient	0.73 (138)	0.66 – 0.79	190
Boston Children’s Hospital (BCH)
	Emergency	0.82 (31)	0.69 – 0.94	38
	Inpatient	0.91 (29)	0.81 – 1.01	32
	Outpatient	0.80 (88)	0.73 – 0.87	110
Boston Medical Center (BMC)
	Emergency	0.89 (188)	0.84 – 0.93	212
	Inpatient	0.70 (21)	0.54 – 0.86	30
	Outpatient (nonpsych)	0.77 (101)	0.70 – 0.84	131
	Outpatient (psych)	0.84 (80)	0.77 – 0.92	95