The Effect of Complications on Length of Stay

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Abstract
Objective The authors determined the effect of complications on length of stay (LOS) in surgical patients. Setting From 1987 to 1990, in the Professional General Surgical Unit of Royal Victoria Hospital, a retrospective survey was conducted on 5128 consecutively admitted patients with 396 different diagnosis; 228 different operations were examined. Main Outcome Measures Patient LOS during a 3-year period in a general surgical ward was analyzed from hospital activity analysis, case notes, ward audit notes, and sepsis audit notes. Readmission rates for complications in patients with a short LOS were examined. Comparison were made between LOS and age, type of surgery, and complication type. Results Pressure on beds resulting from an increased demand on surgical care decreases patient's hospital LOS; increasing age increases LOS. In general, complications double the average LOS. The authors calculated that a surgical complication can be given a numerical ratio that directly reflects the severity of the complication and increases the patient's LOS. The ration of the infective complication corresponds with the clinical severity of the complication. However, a short LOS may lead to readmission of patients for further treatment. For patients readmitted with complications, 41% had been discharged earlier than the average LOS for their diagnosis. Conclusion Length of stay is increased by complications and can be used to implement discharge planning in general surgical patients. Furthermore, a complication of their treatment can be given a numerical ratio that corresponds to the clinical severity of the complication and the increased LOS in hospital.