Mean Value

Rubin's rules

Standard Deviation

Rubin's rules

Correlation

Rubin's rules after Fisher's Z transformation

Model parameters
 
Regression coefficient

Rubin's rules

Hazard ratio

Rubin's rules after logarithmic transformation

Prognostic Index/linear predictor per patient

Rubin's rules

Model fit and performance
 
Testing significance of individual covariate in model

Rubin's rules using a Wald test for a single estimates (Table 2(A))

Testing significance of all fitted covariates in model

Rubin's rules using a Wald test for multivariate estimates (Table 2(B))

Likelihood ratio χ
^{2} test statistic

Rules for combining likelihood ratio statistics if parametric model (Table 2(D)) or χ
^{2} statistics if Cox model (Table 2(C))

Proportion of variance explained (e.g. R^{2} statistics)

Robust methods

Discrimination (cindex)

Robust methods

Prognostic Separation D statistic

Rubin's rules

Calibration (Shrinkage estimate)

Robust methods

Prediction
 
Survival probabilities

Rubin's rules after complementary loglog transformation

Percentiles of a survival distribution

Rubin's rules after logarithmic transformation
