Mid (post 2–3 cycles) vs. end of TX PET positron emission tomography therapy (TX PET) in Hodgkin lymphoma using liberal criteria for defining PET negativity at mid-TX. Data from Hutchings M, Mikhaeel NG, Fields PA, Nunan T, Timothy AR. Prognostic value of interim FDG-PET after two or three cycles of chemotherapy in Hodgkin lymphoma. Ann Oncol. 2005;16:1160–8. N = 42 patients
| . | NPV . | PPV . | Accuracy . |
|---|---|---|---|
| * P = NS | |||
| Abbreviations: NPV, negative predictive value; PPV, positive predictive value | |||
| Mid | 97% (34/35) | 71% (5/7) | 93% (39/42) |
| End | 94% (33/35)* | 57% (4/7)* | 88% (37/42)* |
| . | NPV . | PPV . | Accuracy . |
|---|---|---|---|
| * P = NS | |||
| Abbreviations: NPV, negative predictive value; PPV, positive predictive value | |||
| Mid | 97% (34/35) | 71% (5/7) | 93% (39/42) |
| End | 94% (33/35)* | 57% (4/7)* | 88% (37/42)* |