Table 1 Regression coefficients, standard errors, and P-values from the multiple regression analysis type of segmented regression analysis of interrupted time series for models 1(total hospitalization expenses as the dependent variable)
coefficients | robust std. error | t | sig | 95% Conf. Interval | ||
|---|---|---|---|---|---|---|
β1 | −14.70 | 17.79 | −0.83 | 0.414 | −50.71349 | 21.31188 |
β2 | −1022.06 | 380.82 | −2.68 | 0.011 | − 1792.993 | − 251.1269 |
β3 | −125.32 | 32.67 | −3.84 | 0.000 | − 191.4686 | − 59.17733 |
β0 | 17,110.64 | 254.19 | 67.32 | 0.000 | 16,596.06 | 17,625.21 |