| Variables | Time to start first treatment (months) | |
| r | p-value | |
| Age (years) | −0.498 | 0.025 |
| WBCs (×103/mm3) | −0.511 | 0.021 |
| Absolute lymphocytes (×103/mm3) | −0.507 | 0.023 |
| Platelet count (×103/mm3) | −0.274 | 0.242 |
| Hemoglobin (g/dl) | −0.203 | 0.392 |
| LDH (U/L) | −0.010 | 0.967 |
| B2-microglobulin (mg/L) | −0.665 | 0.001 |
| CD38 (%) | −0.209 | 0.376 |
| MCL-1 (%) | −0.239 | 0.310 |
| BCL-2 (%) | −0.305 | 0.191 |
| BCL-2/Bax ratio | −0.388 | 0.091 |