Table 1. Biological and clinical characteristic of patients.
| Patients | 71 |
| Median age, years (range) | 64 (40–95) |
| Male/Female | 41/30 |
| Wbc count,/mm3 (range) | 61209 (8300–198200) |
| Lymphocytes, % (range) | 80 (41–97) |
| Mutated1 | 28 |
| ZAP70 positive2 | 30 |
| CD38 positive3 | 20 |
| Karyotype (N4/13q−/12+/11q−/17p-) | 12/18/3/7/4 |
1
“Mutated” was defined as having a frequency of mutations greater than 2% from germline VH sequence.
2
As determined by cytofluorymetric analysis (cut-off: 20%).
3
As determined by cytofluorymetric analysis (cut-off: 30%).
4
N = normal karyotype.