“…Undernutrition has serious implications for health and for recovery from illness or surgery; nutritional support to minimize depletion in at-risk patients, therefore, forms an essential part of health care. The positive effects on patient outcome, in terms of improved nutritional status, reduced post-operative complications and more rapid rehabilitation, achieved by providing nutritional support are well documented (Bastow et al 1983;Larsson et al 1990;Keele et al 1995;Murchan et al 1995). In addition to the clinical benefits, substantial cost savings can potentially be made by reducing length of stay (Lennard-Jones, 1992).…”