Accuracy for brain tumor characterization on MR images acquired after administration of 0.1-mmol/kg gadoteridol or 0.1-mmol/kg gadobutrol in 128 patients with 246 histologically confirmed brain tumors
Lesion Characterization | Reader 1 | Reader 2 | Reader 3 | |||
---|---|---|---|---|---|---|
Gadoteridol | Gadobutrol | Gadoteridol | Gadobutrol | Gadoteridol | Gadobutrol | |
No. patients with tumors correctly characterized at MRI | 94 (73.4%) | 96 (75.0%) | 106 (82.8%) | 101 (78.9%) | 93 (72.7%) | 83 (64.8%) |
P value (95% CI of difference, %) | .695 (−9.4 to 6.2) | .132 (−1.1 to 8.9) | .012 (1.8 to 13.8) | |||
No. tumors correctly characterized at MRI | 169 (68.7%) | 164 (66.7%) | 198 (80.5%) | 188 (76.4%) | 166 (67.5%) | 148 (60.2%) |
P value (95% CI of difference, %) | .492 (−3.8 to 7.8) | .059 (−0.1 to 8.3) | .001 (3.0 to 11.6) |