1 Quality Management Office, Inner Mongolia Autonomous Region People′s Hospital, Hohhot 010017, China;
2 Management Research Institute, Inner Mongolia Auton omous Region People′s Hospital, Hohhot 010017, China
Abstract:Objective To observe the application of ARIMA model in predicting the workload of ultrasonic examination in a hospital, and to provide basis for the rational allocation of medical resources.Methods The workload data of ultrasonic -examination in the monthly report of hospital business volume in the hospital from January 2011 to December 2021 were collected. The SPSS 26.0 software was used to construct the ARIMA (p,d,q)×(P,D,Q)s model to predict the workload of ultrasonic-examination in 2021, and the prediction effect was evaluated by model fitting parameter R2 and average absolute percentage error (MAPE).Results The ARIMA (0,1,1) (0,1,1)12 model is the relatively optimal model of ultrasonic examination workload. The R2 of the model is 0.901, and the residual error of the model is confirmed to be a white noise sequence by Ljung-Box test (Ljung-Box Q (18) =14.939, P=0.529). The MAPE of the model is 7.28%, the actual value is within 95% confidence interval of the predicted value, and the prediction accuracy of the model is high.Conclusion The ARIMA (0,1,1) (0,1,1)12 model can better predict the workload of ultrasonic examination. Hospitals should allocate medical and health resources reasonably according to the changing law of ultrasonic examination workload so as to enhance the fine management level of modern hospitals.