Table 1 Patient-level performance for detection and localization of vessel occlusions in the FAST cohort
Cohort n = Num Patients | AUROC | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|
Full Dataset | |||||
VO (n = 52)/Controls (n = 274) | 0.90 [0.84, 0.94] | 45/52; 0.87 [0.77, 0.95] | 212/274; 0.77 [0.72, 0.82] | 45/107; 0.42 [0.32, 0.51] | 212/219; 0.97 [0.94, 0.99] |
VO + HGS (n = 79)/Controls (n = 247) | 0.92 [0.88, 0.96] | 69/79; 0.87 [0.79, 0.94] | 209/247; 0.85 [0.80, 0.90] | 69/107; 0.64 [0.55, 0.74] | 209/219; 0.95 [0.92, 0.98] |
Class: VO | |||||
Anterior Circulation | |||||
LVO (n = 23) | 0.89 [0.80, 0.97] | 20/23; 0.87 [0.73, 1.0] | - | 20/82; 0.24 [0.15, 0.34] | 212/215; 0.99 [0.97, 1.0] |
MeVO (n = 14) | 0.93 [0.87, 0.97] | 14/14; 1.0 [1.0, 1.0] | - | 14/76; 0.18 [0.1, 0.27] | 212/212; 1.0 [1.0, 1.0] |
Posterior Circulation | |||||
VO (n = 10) | 0.82 [0.65, 0.93] | 6/10; 0.60 [0.25, 0.89] | - | 6/66: 0.09 [0.03, 0.16] | 212/216; 0.98 [0.96, 1.00] |
Class: VO + HGS | |||||
Anterior Circulation | |||||
LVO (n = 32) | 0.94 [0.89, 0.98] | 30/32; 0.94 [0.85, 1.0] | - | 30/68; 0.44 [0.33, 0.56] | 209/211; 0.99 [0.98, 1.0] |
MeVO (n = 20) | 0.96 [0.94, 0.98] | 20/20; 1.00 [1.0, 1.0] | - | 20/58; 0.34 [0.23, 0.46] | 209/209; 1.00 [1.0, 1.0] |
Posterior Circulation | |||||
VO (n = 13) | 0.79 [0.65, 0.91] | 6/13; 0.46 [0.2, 0.75] | - | 6/44; 0.14 [0.04, 0.24] | 209/216; 0.97 [0.94, 0.99] |