Table 3.

Accuracy of triaging approach. Values are percentages (95% confidence intervals) unless stated otherwise

Population	Total population	AUROC (95% CI)	Sensitivity	Specificity	Positive predictive value	Negative predictive value
Overall	887 (100)	0.86 (0.84 to 0.89)	97.2 (95.8 to 98.5)	75.9 (70.9 to 80.8)	89.4 (87.1 to 91.8)	92.7 (89.4 to 96.1)
For diagnosis*	268 (30)	0.90 (0.86 to 0.94)	95.1 (91.8 to 98.4)	84.6 (77.7 to 91.5)	90.7 (86.4 to 95.0)	91.7 (86.1 to 97.2)
For management†	619 (70)	0.84 (0.81 to 0.88)	97.9 (96.6 to 99.3)	70.9 (64.3 to 77.5)	89.0 (86.2 to 91.8)	93.5 (89.4 to 97.6)

AUROC=area under the receiver operating characteristic curve.

^*Patients without a history of hypertension.

^†Patients with a history of hypertension.