Table 4 Parameter estimates for cost of treatment model
Variable Name | Variable Description | Parameter Estimate ($) | Standard Error ($) |
|---|---|---|---|
VCOT = α + βASAS + βCHFCHF + βDD + βCCCC + βNCCNCC + βAS*DAS*D + βRI*DRI*D + βMIA*DMIA*D + βRI*CCRI*CC + βDYS*CCDYS*CC | |||
Intercept | Intercept term | 348.58 | 90.71 |
AS | Dummy variable for diagnosis of asthma (0,1) | 440.33 | 125.97 |
CHF | Dummy variable for diagnosis of congestive heart failure (0,1) | 1680.09 | 406.92 |
D | Total duration of disease episode (days) | 31.70 | 7.85 |
CC | Dummy variable for admission to hospital in critical care unit (0,1) | 4530.36 | 176.20 |
NCC | Dummy variable for admission to hospital in non-critical care unit (0,1) | 1977.94 | 163.67 |
AS*D | Interaction term (see variable definitions above) | -27.71 | 9.17 |
RI*D | Interaction term where RI is a dummy variable for diagnosis of respiratory infection (0,1) | -29.02 | 8.07 |
MIA*D | Interaction term where MIA is a dummy variable for diagnosis of myocardial infarction/angina (0,1) | -30.54 | 14.50 |
RI*CC | Interaction term (see variable definitions above) | -1544.58 | 538.12 |
DYS*CC | Interaction term where DYS is a dummy variable for diagnosis of dysrhythmia (0,1) | -2402.73 | 906.97 |
AS*NCC | Interaction term (see variable definitions above) | -431.01 | 272.89 |
MIA*NCC | Interaction term (see variable definitions above) | 1180.79 | 301.74 |
CHF*NCC | Interaction term (see variable definitions above) | -2158.82 | 539.88 |