Table 2.

Patient-level performance for detection and localization of vessel occlusions in the UKB cohort

Cohort n = Num Patients	AUROC	Sensitivity	Specificity	PPV	NPV
Full Dataset
VO (n = 80)/Controls (n = 243)	0.85 [0.79, 0.91]	65/80; 0.81 [0.71, 0.90]	196/243; 0.81 [0.75, 0.85]	65/112; 0.58 [0.49, 0.67]	196/211; 0.93 [0.89, 0.96]
VO + HGS (n = 106)/Controls (n = 217)	0.88 [0.83, 0.93]	85/106; 0.80 [0.72, 0.87]	190/217; 0.88 [0.83, 0.92]	85/112; 0.76 [0.68, 0.83]	190/211; 0.90 [0.86, 0.94]
Class: VO
Anterior Circulation
LVO (n = 29)	0.95 [0.88, 0.99]	28/29; 0.97 [0.89, 1.0]	-	28/75; 0.37 [0.27, 0.48]	196/197; 0.99 [0.98, 1.0]
MeVO (n = 27)	0.79 [0.66, 0.90]	20/27; 0.74 [0.57, 0.89]	-	20/67; 0.30 [0.20, 0.41]	196/203; 0.97 [0.94, 0.99]
Posterior Circulation
VO (n = 15)	0.79 [0.63, 0.92]	10/15; 0.67 [0.40, 0.90]	-	10/57; 0.18 [0.08, 0.28]	196/201; 0.98 [0.95, 0.99]
Class: VO + HGS
Anterior Circulation
LVO (n = 41)	0.95 [0.89, 0.99]	37/41; 0.90 [0.81, 0.98]	-	37/64; 0.58 [0.45, 0.70]	190/194; 0.98 [0.96, 1.00]
MeVO (n = 29)	0.85 [0.74, 0.95]	23/29; 0.79 [0.62, 0.94]	-	23/50; 0.46 [0.33, 0.60]	190/196; 0.97 [0.94, 0.99]
Posterior Circulation
VO (n = 20)	0.83 [0.71, 0.93]	13/20; 0.65 [0.43, 0.86]	-	13/40; 0.33 [0.17, 0.47]	190/197; 0.96 [0.94, 0.99]

Patients with multiple occlusions were ignored for the automated analysis in the per-class category.

VO vessel occlusion, HGS high-grade stenosis (>70%).