a trend towards significanceP <0.10
Multivariable analysis was performed including variables whose association with survival on univariable Cox analysis was statistically significant (P <0.05) or showed a trend towards significance (P <0.10).
Multivariable analysis was performed including variables whose association with survival on univariable Cox analysis was statistically significant (P <0.05) or showed a trend towards significance (P <0.10).