Table 1.
Clinical characteristics of all 208 patients included in study.
| Number of patients | 208 |
|---|---|
| Age (mean (SD)) | 63.65 (16.55) |
| Gender = Male (%) | 123 (59.1) |
| Gender = Female (%) | 83 (40.3) |
| Data Access Group (%) | |
| MGH | 25 (12.0) |
| MSKCC | 13 (6.2) |
| SFVAHCS | 13 (6.2) |
| Stanford | 134 (64.4) |
| UCSF | 21 (10.1) |
| UVA | 2 (1.0) |
| History of B-cell non Hodgkin lymphoma? = Yes (%) | 81 (39.3) |
| Prior large B cell lymphoma diagnosis (%) | 23 (29.1) |
| DLBCL, NOS | 22 (95.6) |
| Prior follicular lymphoma diagnosis (%) | 52 (64.2) |
| Classic follicular lymphoma (grade 1–2) | 42 (80.8) |
| Classic follicular lymphoma (grade 3A) | 6 (11.5) |
| other or unknown | 2 (3.8) |
| Primary cutaneous follicle center lymphoma | 2 (3.8) |
| Prior diagnosis of low grade B cell lymphoma (%) | 13 (16.5) |
| CLL/SLL | 4 (30.8) |
| EMZL | 2 (15.4) |
| LPL | 2 (15.4) |
| Mantle cell lymphoma | 1 (7.7) |
| NMZL | 1 (7.7) |
| other or unknown | 1 (7.7) |
| Primary cutaneous MZL | 1 (7.7) |
| SMZL | 1 (7.7) |
| High-grade B-cell lymphoma diagnosis (%) |
4 (5.1) |
| Burkitt lymphoma | 1 (25.0) |
| High grade B-cell lymphoma, with MYC and BCL2 rearrangements | 1 (25.0) |
| High grade B-cell lymphoma, NOS | 2 (50.0) |
| Prior solid organ or stem cell transplant (%) |
16 (7.7) |
| Stem cell transplant | 9 (56.2) |
| Solid organ transplant | 7 (43.8) |
| Prior chemotherapy (%) | 52 (26.0) |
| Reason for chemotherapy (%) | |
| carcinoma | 4 (7.7) |
| carcinoma and lymphoma | 1 (1.9) |
| lymphoma | 46 (88.5) |
| other or unknown | 1 (1.9) |
The classification used for all diagnoses was the WHOR4, which is equivalent to WHO5 and ICC for these diagnoses. Abbreviations used: CLL/SLL (chronic lymphocytic leukemia/small lymphocytic lymphoma), EMZL (extranodal marginal zone lymphoma), LPL (lymphoplasmacytic lymphoma), NMZL (nodal marginal zone lymphoma), MZL (marginal zone lymphoma), SMZL (splenic marginal zone lymphoma), MGH (Massachusetts General Hospital), MSKCC (Memorial Sloan Kettering Cancer Center), SFVAHCS (San Francisco Veterans Administration Health Care System), UCSF (University of California San Francisco), UVA (University of Virginia).