Table 1:

Comparison of demographic and clinicopathologic features between recurrent tumor group and posttreatment changes group

CharacteristicPatient GroupP Value
Recurrent TumorPosttreatment Changes
Mean age (y)58.2 (range, 30–77)63.2 (range, 44–78).288
Sex (M:F)4:914:6.038a
Clinical suspicion of tumor recurrenceb60% (12)0.7% (1).003a
Mean ROI size (mm2)170.59 ± 190.68152.15 ± 203.65.773
Interval between treatment and imaging (mo)15.1 ± 16.010.4 ± 9.5.342

  • ↵a Fisher exact test.

  • ↵b Number of patients in parentheses.