Abstract
EDITOR—In their article on scoring systems in intensive care, Gunning and Rowan provide a detailed description of the APACHE II mortality prediction model.1 This model was developed with data collected between 1979 and 1982 and was replaced by APACHE III in 1991.2 Unfortunately, there is a substantial charge for using APACHE III;thus many intensive care units continue using the outdated APACHE II, but do you really want to compare your standard of care with that delivered by North American units 20 years ago? There …