Table 2.
Baseline (B) and pre-maintenance (PM) PET characteristics.
| All PET pts (n = 109) | B-PET_FLs | B-PET_BMs | PM-PET_FLs | PM-PET_BMs |
|---|---|---|---|---|
| Positivea, n (%) | 98 (93) | 106 (99) | 43 (40) | 97 (89) |
| Negative, n (%) | 7 (7) | 1 (1) | 65 (60) | 12 (11) |
| Missing, n | 4 | 2 | ||
| EMD, n (%) | 8 (7) | |||
| Deauville scores | ||||
| DS 1, n (%) | 7 (7) | 1 (1) | 65 (60) | 12 (11) |
| DS 2, n (%) | 1 (1) | 34 (32) | 2 (2) | 52 (48) |
| DS 3, n (%) | 4 (4) | 7 (7) | 14 (13) | 28 (26) |
| DS 4, n (%) | 93 (89) | 65 (61) | 27 (25) | 16 (15) |
| Missing, n | 4 | 2 | 1 | 1 |
| SUV max, median (IQR) | 6.04 (4.31–8.29) | 3.5 (2.8–4.37) | 3.04 (2.2–5.39) | 2.8 (2.3–3.44) |
| CMRb, n (%) | 69 (63) | |||
Abbreviations. B, Baseline; BM, Bone marrow; CMR, Complete metabolic response; DS, Deauville scores; EMD, Extramedullary disease; FLs, Focal lesions; IQR, Interquartile range; n, Number; PET, Positron emission tomography; PM, Pre-maintenance; pts, Patients; SUV, Standardised uptake value.
a
Defined as DS >1.
b
Defined as DS <4 both in the FLs and BM.