Table I.
Clinicopathologic characteristics of the different groups of patients.
| Chronic lymphocytic lymphocytosis | Monoclonal B cell leukemia | Control | |
|---|---|---|---|
| Subjects, n | 49 | 23 | 21 |
| Median age (range), years | 63 (50–85) | 67 (54–86) | 57 (48–65) |
| Gender, n | |||
| Male | 34 | 18 | 15 |
| Female | 15 | 5 | 6 |
| Rai stage, n | |||
| 0 – II | 30 | NA | NA |
| III – IV | 19 | NA | NA |
| Immunoglobulin heavy chain mutation status, n | |||
| Mutated (≥2%) | 31 | NA | NA |
| Unmutated (<2%) | 18 | NA | NA |
| Cluster of differentiation 38 status, n | |||
| Low (<30%) | 32 | NA | NA |
| High (≥30%) | 17 | NA | NA |
| ζ-chain-associated protein kinase-70 status, n | |||
| Low (<20%) | 30 | NA | NA |
| High (≥20%) | 19 | NA | NA |
NA, not applicable.