• Don Liew, Danny Liew, and Marcus P Kennedy.
• Emergency Department, Angliss Hospital, Albert St, Upper Ferntree Gully, VIC 3156, Australia. don.liew@angliss.org.au
• Med. J. Aust. 2003 Nov 17;179(10):524-6.

ObjectiveTo examine the association between emergency department length of stay (EDLOS) and inpatient length of stay (IPLOS).DesignRetrospective review of presentations and admissions data.SettingThree metropolitan hospitals in Melbourne, 1 July 2000 to 30 June 2001.Main Outcome MeasuresMean IPLOS for four categories of EDLOS (12 hours); excess IPLOS, defined as IPLOS exceeding state average length of stay; odds ratios for excess IPLOS adjusted for age, sex and time of presentation.Results17 954 admissions were included. Mean IPLOS for the four categories of EDLOS were 12 hours, 7.20 days (P < 0.001). The corresponding excess IPLOS were 0.39, 1.30, 1.96 and 2.35 days (P < 0.001). Compared with EDLOS 4-8 hours, odds ratios (95% CIs) for excess IPLOS associated with the other three categories of EDLOS were 12 hours, 1.49 (1.36-1.63), after adjusting for elderly status, sex and time of ED presentation.ConclusionEDLOS correlates strongly with IPLOS, and predicts whether IPLOS exceeds the state benchmark for the relevant diagnosis-related group, independently of elderly status, sex and time of presentation to ED. Strategies to reduce EDLOS (including countering access block) may significantly reduce healthcare expenditure and patient morbidity.

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