Table 4 The results of AIC value, Harrell’s C-index and corrected C-index for PFS and OS
From: Baseline 18F-FDG PET/CT radiomics for prognosis prediction in diffuse large B cell lymphoma
| Â | AIC | C-index (95%CI) | corrected C-index (95%CI) |
|---|---|---|---|
PFS | |||
 Radiomics signatures | 571.688 | 0.732 (0.700–0.764) | 0.730 (0.668–0.798) |
 Clinical factors | 596.040 | 0.658 (0.624–0.693) | 0.655 (0.588–0.725) |
 Metabolic parameters | 576.481 | 0.702 (0.670–0.735) | 0.702 (0.642–0.769) |
OS | |||
 Radiomics signatures | 339.843 | 0.759 (0.716–0.803) | 0.773 (0.692–0.857) |
 Clinical factors | 363.671 | 0.667 (0.625–0.708) | 0.665 (0.585–0.744) |
 Metabolic parameters | 358.412 | 0.659 (0.620–0.698) | 0.660 (0.585–0.740) |