a trend toward significanceP < 0.1
Variables showing a trend toward significance in univariate analysis ( P < 0.1) were included in a forward stepwise Cox proportional hazards regression model (entry: α = 0.05; removal: α = 0.1).
Variables showing a trend toward significance in univariate analysis ( P < 0.1) were included in a forward stepwise Cox proportional hazards regression model (entry: α = 0.05; removal: α = 0.1).