Survival studies by univariate Cox's regression analysis according to bone marrow (BM) involvement in the 71 patients with results from immunophenotyping of aspirates
| BM involvement | N | HR | 95% CI | p Value* |
|---|---|---|---|---|
| Flow cytometry analysis | ||||
| No involvement | 54 | 1 | ||
| Involvement | 17 | 2.581 | 0.690 to 9.661 | 0.143 |
| Morphology and/or flow cytometry analysis | ||||
| No involvement | 42 | 1 | ||
| Involvement | 29 | 2.683 | 0.639 to 11.274 | 0.160 |
| Morphology and/or flow cytometry analysis and/or PCR | ||||
| No involvement | 38 | 1 | ||
| Involvement | 33 | 8.519 | 1.043 to 69.605 | 0.016 |
*Log-rank test.