Table 2.
Characteristics of FDG-PET/CT parameters at baseline (before harmonization).
| Baseline (n Patients) | Overall (227) | France (134) | Italy (93) | p-Value |
|---|---|---|---|---|
| Presence of FLs n (%) | 165 (72.7) | 99 (73.9) | 66 (70.9) | 0.652 |
| Presence of EMD n (%) | 17 (7.5) | 13 (9.7) | 4 (4.3) | 0.199 |
| BM SUVmax (Median [IQR]) | 3.40 [2.63, 4.50] | 3.70 [2.90, 4.97] | 2.82 [2.29, 3.82] | < 0.001 |
| FL SUVmax (Median [IQR]) | 5.60 [4.0, 8.5] | 5.70 [4.45, 8.45] | 5.34 [3.59, 8.56] | 0.306 |
| Liver SUVmax (Median [IQR]) | 3.27 [2.79, 3.87] | 3.28 [2.80, 3.90] | 3.26 [2.52, 3.86] | 0.248 |
| Mediastinal SUVmean (Median [IQR]) | 1.56 [1.33, 1.80] | 1.54 [1.34, 1.72] | 1.58 [1.27, 1.86] | 0.768 |
| Bone SUVmax (Median [IQR]) | 5.00 [3.45, 7.89] | 5.20 [3.8, 8.00] | 4.30 [1.06, 7.44] | 0.01 |
FLs: focal lesions; BM: bone marrow; EMD: extra-medullary disease; SUV: standard uptake value.