TABLE 4

Prediction of PFS Using Sex, IPI, Stage, Visual Analysis, and SUV-Based Semiquantitative Assessment

Type of assessmentCutoffSensitivitySpecificityPPVNPVAccuracy2-y survivalP*
SexFemale80%71%67%83%75%14%0.006
Male83%
IPIlow = 0, 180%57%57%80%67%70%0.038
high = 2–539%
Ann Arbor stagelow = I/II70%64%58%75%67%67%0.034
high = IV37%
DS at midtreatmentlow = 1–363%94%83%83%83%62%0.001
high = 4, 517%
SUVmax at pretreatmentlow < 7.5550%50%42%58%50%55%0.875
high > 7.5551%
SUVmax at midtreatmentlow < 363%94%83%83%83%62%0.001
high > 317%
ΔSUVmax (pretreatment compared with midtreatment)>88%80%7%38%33%38%0%0.588
<88%59%
DS at end-treatmentlow = 1–340%100%100%80%82%68%<0.001
high = 4, 50%
SUVmax at end-treatmentlow < 220%92%50%73%71%61%0.318
high > 250%
ΔSUVmax (pretreatment compared with end-treatment)>88%80%33%33%80%47%67%0.400
<88%57%
  • * P value based on Kaplan–Meier analysis.