Abstract:
Objective To establish a suitable medical economics model of receiving and use of specialized surgery consumables in the elderly patient in Department of Anesthesiology by using the autoregressive integrated moving average (ARIMA) model, and to predict the changing trend of the consumables demand in Department of Anesthesiology.
Methods R software was used to establish the ARIMA model based on the data of consumables acquisition and expenditure of Anesthesiology Department in authors' hospital from January 2013 to December 2019. The actual value and the predicted value of consumables acquisition and expenditure were compared from January to December 2020, and prediction performance of the model was evaluated.
Results The consumption expenditure of Anesthesiology Department in authors' hospital was the lowest in February and the highest in May every year. ARIMA(0, 1, 1)(0, 0, 1)12 model was established to predict the consumable demand of Anesthesiology Department, and ARIMA model met and predicted the periodic fluctuation well. ARIMA(0, 1, 1)(0, 0, 1)12 model predicted that the consumption of consumables will fluctuate slightly from January to December in 2020.
Conclusion ARIMA(0, 1, 1)(0, 0, 1)12 model can better fit the needs of consumables in Anesthesiology Department, which is helpful to optimize the department decision support system and perioperative nursing management of elderly patients undergoing elective surgery.
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