Table 3 Generalized estimating equation with regression models on the effect of integrated ambulatory care program on healthcare utilization and related costs
Outcome | B | 95% CI | p | Model |
|---|---|---|---|---|
Outpatient department visits | -0.269 | -0.357–-0.181 | < 0.001* | Poisson |
Number of physicians visited | -0.266 | -0.334–-0.199 | < 0.001* | Poisson |
Overall cost of outpatient care# | -0.046 | -0.082–-0.011 | 0.010* | Linear |
 Diagnostic fee | -0.067 | -0.090–-0.045 | < 0.001* | Linear |
 Drug fee | 0.018 | -0.021–0.056 | 0.364 | Linear |
 Prescription service fee | -0.132 | -0.165–-0.100 | < 0.001* | Linear |
 Treatment fee | -0.308 | -0.555–-0.061 | 0.015* | Linear |
 Examination fee | 0.031 | -0.105–0.167 | 0.655 | Linear |
 Others | -0.082 | -0.343–0.178 | 0.535 | Linear |
Emergency department visits | -0.386 | -0.789–0.017 | 0.061 | Negative binomial |
Cost of emergency care# | -0.160 | -0.530–0.211 | 0.398 | Linear |
Hospitalizations | 0.068 | -0.456–0.591 | 0.799 | Negative binomial |
Length of hospital stay | -0.194 | -0.878–0.491 | 0.579 | Poisson |
Cost of hospitalization# | 0.084 | -0.300–0.468 | 0.668 | Linear |