Table 1 Clinical characteristics of CLL patients
|  | HV (n = 25) | Patients (n = 25) |
|---|---|---|
Gender | ||
 Male | 12 | 12 |
 Female | 13 | 13 |
Median age, years (range) | 63 (48–87) | 73 (58–87) |
 RAI staging | ||
  0–I |  | 18 |
  II |  | 3 |
  III |  | 2 |
  IV |  | 2 |
 Binet staging | ||
  A/B/C |  | 21/3/1 |
 Karyotype | ||
  Normal |  | 20 |
  Del(13q14) |  | 3 |
  Del(11q22) |  | 1 |
  Del(17p13) |  | 1 |