Table 1:

Relationship between BT-RADS score and AI-VTRA for each glioblastoma MRI follow-up assessment scorea

Assessment CategoryAssessment System (Rater)
BT-RADS Score (Human)AI-VTRA (Artificial Intelligence)
Imaging improvement1VDET ≤ −10%OR−10% > VDET <10%ANDVDFLAIR ≤ −40%
No appreciable imaging change2−10% > VDET <10%ORVDET ≤ −10%ANDVDFLAIR ≥ 40%
Imaging worsening310% ≤ VDET <40%OR−10% > VDET <10%ANDVDFLAIR ≥ 40%
Imaging worsening equivalent to RANO progression4VDET ≥ 40%
  • aDetailed rules for determining AI-VTRA are included in Supplemental Data.