This is a multi centre prospective observational study including patients undergoing major/major+ operation of general surgery. Patients will be interviewed by surgical trainees and their malnutrition risk will be assessed with the use of SGA, MUST, NRS, MNA-SF etc. Clinical variables and demographics will also be recorded in order to enable meaningful comparisons of malnutrition risk assessment tools in terms of serious postoperative complications.
The purpose of this study is to evaluate the main malnutrition risk assessment tools in patients undergoing operations of general surgery.