Table 4 Cox proportional hazards model for the risk of death, relapse or metastasis, relapse alone and metastasis alone
From: Suboptimal chemotherapy is an adverse prognostic factor in osteosarcoma
Overall survival | Event free survival | Relapse free survival | Metastasis free survival | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
HR | 95% CI | P | HR | 95% CI | P | HR | 95% CI | Pvalue | HR | 95% CI | Pvalue | |
Chemotherapy | ||||||||||||
Suboptimal chemo | 1.804 | 1.016 to 3.204 | 2.512 | 1.242 to 3.729 | 1.670 | 0.987 to 2.825 | 1.863 | 1.159 to 2.996 | ||||
Optimal chemo | 1 | 0.04 | 0.006* | 1 | 0.06 | 1 | 0.01 | |||||
Local recurrence | ||||||||||||
Yes | — | — | — | — | — | — | — | — | — | 0.633 | 0.388 to 1.034 | |
No | — | — | — | 0.07 | ||||||||
Lung metastasis | ||||||||||||
Yes | 0.511 | 0.303-0.861 | 0.01* | — | — | — | 0.509 | 0.312-0.829 | 0.007* | — | — | — |
No | 1 | — | 1 | — | ||||||||