TABLE 3

18F-FDG Uptake Uniformity by Tumor Type

Uniformity
<25%25%–50%51%–75%76%–100%
Tumor typenRow %nRow %nRow %nRow %All patients (n)
Anaplastic astrocytoma RR936.0728.0416.0520.025
Astrocytoma/astrocytic glioma RR15.315.3631.61157.919
Ependymoma RR225.0112.5112.5450.08
Medulloblastoma RR112.5787.58
BSG ND1226.71226.7613.31533.345
BSG RR (P = 0.10)*956.3212.5318.8212.516
GBM ND225.0112.5112.5450.08
GBM RR (P = 0.91)*213.3426.7320.0640.015
All patients3725.72819.42517.45437.5144
  • * ND vs. RR compared using Cochran–Armitage Trend test.

  • Uniformity data missing for 27 patients.