The results Scrollsheet with the parameter estimates for the
Cox proportional hazard regression model includes the so-called Wald statistic, and the p level for that statistic. This statistic is a test of significance of the regression coefficient; it is based on the asymptotic normality property of maximum likelihood estimates, and is computed as:
W = * 1/Var( ) *
In this formula, stands for the parameter estimates, and Var( ) stands for the asymptotic variance of the parameter estimates. The Wald statistic is tested against the
Chi-square distribution.
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