Table 4:

Rater comparisons by specialtya

NeuroradiologistNonradiologistP Value
Distance from foot motor centroid15 ± 8 mm20 ± 14 mm.005b
Arrow in motor gyrus61% (206/336)46% (71/154).008b
Tumor in foot motor cortex78% (261/336)74% (114/154).515
Tumor in motor gyrus72% (242/336)69% (106/154).569
  • a Numbers in the parentheses indicate the number of correct responses over the total number of responses (eg, in the neuroradiologist group, there were 24 raters for each of the 14 cases, making 336 total responses).

  • b Significant (P ≤ .05).