Table 2. Parameters of various ARIMA models of vascular catheter-related bloodstream infections in the Department of Critical Care Medicine.
Model | BIC | R2 | Root mean square, RMSE | Ljuing-Box Q | Parameter estimation | Error SE | t | P | |
---|---|---|---|---|---|---|---|---|---|
Statistics | P | ||||||||
ARIMA (1,0,1) | −0.26 | 0.157 | 0.78 | 15.055 | 0.521 | ||||
Constant | 79.164 | 26.343 | 3.016 | 0.004 | |||||
AR (1) | 0.105 | 0.903 | 0.116 | 0.908 | |||||
MA (1) | −0.030 | 0.909 | −0.033 | 0.974 | |||||
ARIMA (1,0,0) | −0.344 | 0.157 | 0.774 | 15.105 | 0.588 | ||||
Constant | 79.164 | 26.244 | 3.016 | 0.004 | |||||
AR (1) | 0.134 | 0.120 | 1.121 | 0.266 | |||||
ARIMA (0,0,1) | −0.345 | 0.157 | 0.774 | 14.914 | 0.602 | ||||
Constant | 79.164 | 25.874 | 3.060 | 0.003 | |||||
MA (1) | −0.137 | 0.120 | −1.141 | 0.258 |
ARIMA, autoregressive integrated moving average.