age-based ph model definition what is the difference between lp and lpmean in ph how to determine the relationship between age and ph when centered lp the mean of each predictor is when to take a lp from baseline in a cox model what is lpmean what is the relationship between ph and hr in a cox model x-ray model definition lp what is the relationship between ss and rs what is the lp in the cox ph model when centering an lp on the average value of the predictor, the relationship between absolute risk and baseline risk becomes what is the ph interaction of the model how does the interaction coefficient in the model of cox ph work? what is the difference between absolute risk and lp what is the difference between lp, hr and baseline mean what is the lp of the baseline predictors in a cox ph model? what is the lp difference in ph what is the ph model for predicting hazard age and hr in cox model cox ph age-adjusted hazard ratio