All patientsa (n = 920) | Patients with strokeb (n = 547) | |||
---|---|---|---|---|
Variable, n/total n (%) | LVO | LVO or ICH | LVO | LVO or ICH |
Sensitivity | 52/77 (67.5; 57.1–78.0) | 90/159 (56.6; 48.9–64.3) | 52/77 (67.5; 57.1–78.0) | 90/158 (57.0; 49.2–64.7) |
Specificity | 704/843 (83.5; 81.0–86.0) | 660/761 (86.7; 84.3–89.1) | 366/470 (77.9; 74.1–81.6) | 323/389 (83.0; 79.3–86.8) |
Positive predictive value | 52/191 (27.2; 20.9–33.5) | 90/191 (47.1; 40.0–54.2) | 52/156 (33.3; 25.9–40.7) | 90/156 (57.7; 49.9–65.4) |
Negative predictive value | 704/729 (96.6; 95.3–97.9) | 660/729 (90.5; 88.4–92.7) | 366/391 (93.6; 91.2–96.0) | 323/391 (82.6; 78.9–86.4) |