Delirium and mortality risk prediction: a story in evolution : Response letter on comment

It may be true (but confirmation is required) that adding delirium to a measurement such as the APACHE score is not of value. Clinicians and hospital quality officers should continue to consider early detection of delirium and ongoing delirium detection as an important prognostic tool. Despite shortcomings of various methods to determine the predictive value, our conclusion remains that delirium does not improve the predictive value of the APACHE score