Table 2 Volumetric and spatial accuracy between baseline CTP ischemic lesions and follow-up DWI lesions for patients with eTICI 2b-2c vs. eTICI 3

Median baseline ischemic core volume on CTP (mL)–median (IQR)

13.0 (5.5–32.5)

20.0 (7.8–47.3)

16.0 (8.0–47.0)

Follow-up DWI infarct volume (mL)–median (IQR)

17.7 (5.6–69.0)

10.1 (5.1–37.3)

10.8 (5.5–42.2)

Median volumetric difference (mL)–median (IQR)

6 (−10 to 47)

17 (7.2–68.7)

−3 (−19 to 5)

13.3 (3.7–43.8)

0 (−12; 21)

16.3 (5.8–48.2)

Median Dice similarity coefficient–median (IQR)

0.12 (0.00–0.35)

0.20 (0.03–0.36)

0.20 (0.01–0.35)

Median positive predictive value–median (IQR)

0.34 (0.12–0.44)

0.27 (0.12–0.52)

0.30 (0.13–0.47)