Cox proportional hazards models for survival
Covariate . | Coefficient . | SE . | Relative risk . | P . |
|---|---|---|---|---|
| Overall survival | ||||
| Model 1 | ||||
| Log (time from diagnosis to BMT) | –0.57 | 0.27 | 0.57 | .04 |
| Log(BM blast cell + 1) | 0.36 | 0.09 | 1.43 | .0001 |
| Model 2 | ||||
| PB blast = 0 | –1.32 | 0.35 | 0.27 | .0001 |
| Model 3 | ||||
| In remission = yes | –1.19 | 0.41 | 0.30 | .003 |
| Event-free survival | ||||
| Model 1 | ||||
| Log (time from diagnosis to BMT) | –0.55 | 0.23 | 0.58 | .02 |
| Log (BM blast cell + 1) | 0.4 | 0.1 | 1.49 | <.0001 |
| Model 2 | ||||
| PB blast = 0 | –1.5 | 0.3 | 0.22 | <.0001 |
| Model 3 | ||||
| Log (time from diagnosis to BMT) | –0.43 | 0.2 | 0.65 | .03 |
| In remission = yes | –1.17 | 0.36 | 0.31 | .001 |
Covariate . | Coefficient . | SE . | Relative risk . | P . |
|---|---|---|---|---|
| Overall survival | ||||
| Model 1 | ||||
| Log (time from diagnosis to BMT) | –0.57 | 0.27 | 0.57 | .04 |
| Log(BM blast cell + 1) | 0.36 | 0.09 | 1.43 | .0001 |
| Model 2 | ||||
| PB blast = 0 | –1.32 | 0.35 | 0.27 | .0001 |
| Model 3 | ||||
| In remission = yes | –1.19 | 0.41 | 0.30 | .003 |
| Event-free survival | ||||
| Model 1 | ||||
| Log (time from diagnosis to BMT) | –0.55 | 0.23 | 0.58 | .02 |
| Log (BM blast cell + 1) | 0.4 | 0.1 | 1.49 | <.0001 |
| Model 2 | ||||
| PB blast = 0 | –1.5 | 0.3 | 0.22 | <.0001 |
| Model 3 | ||||
| Log (time from diagnosis to BMT) | –0.43 | 0.2 | 0.65 | .03 |
| In remission = yes | –1.17 | 0.36 | 0.31 | .001 |
BMT indicates blood and marrow transplantation; BM, bone marrow; PB, peripheral blood.