Table 3.
Breast cancer trial multivariate regression analysis of predictors for health care costs.
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Intervention group (n=74) |
Control group (n=75) | Unstandardized coefficient | SE | Standardized coefficient [Exp(B)] | 95% CI | P value | χ2/dfa | |||||||||||
| Care costs (€b) |
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| Outpatient | |||||||||||||||||||
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All costs Mean (SD) | 27,571 (6392) n=74 |
26,348 (5800) n=75 |
N/Ac | N/A | N/A | N/A | N/A | N/A | |||||||||
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Dependent variable: Total costs | 2,040,225 | 1,976,097 | N/A | N/A | N/A | N/A | .95d | 0.042 | |||||||||
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Independent variables: |
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Groupe | N/A | N/A | –0.038 | 0.166 | 0.963 | 0.695-1.334 | .82f | N/A | |||||||||
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Age | N/A | N/A | –0.001 | 0.012 | 0.999 | 0.976-1.023 | .94f | N/A | |||||||||
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HRQOL | N/A | N/A | –0.78 | 1.019 | 0.458 | 0.062-3.375 | .44f | N/A | |||||||||
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Comorbidity | N/A | N/A | –0.012 | 0.115 | 0.988 | 0.789-1.239 | .92f | N/A | |||||||||
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NACTg | N/A | N/A | 0.014 | 0.033 | 1.014 | 0.951-1.081 | .67f | N/A | |||||||||
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Acute costs Mean (SD) | 554 (597) n=51 |
562 (606) n=52 |
N/A | N/A | N/A | N/A | N/A | N/A | |||||||||
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Dependent variable: Acute costs | 40,998 | 42,183 | N/A | N/A | N/A | N/A | <.001d | 1.170a | |||||||||
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Independent variables: |
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Groupe | N/A | N/A | 0.043 | 0.166 | 1.044 | 0.754-1.446 | .80f | N/A | |||||||||
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Age | N/A | N/A | –0.036 | 0.012 | 0.964 | 0.942-0.987 | .002f | N/A | |||||||||
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HRQOL | N/A | N/A | –4.091 | 1.108 | 0.017 | 0.002-0.147 | <.001f | N/A | |||||||||
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Comorbidity | N/A | N/A | 0.247 | 0.110 | 1.280 | 1.033-1.588 | .02f | N/A | |||||||||
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NACTg | N/A | N/A | –0.062 | 0.032 | 0.940 | 0.882-1.001 | .05f | N/A | |||||||||
| Inpatient | |||||||||||||||||||
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All costs Mean (SD) | 9206 (5254) n=69 |
9093 (5460) n=73 |
N/A | N/A | N/A | N/A | N/A | N/A | |||||||||
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Dependent variable: Total costs | 681,221 | 681,949 | N/A | N/A | N/A | N/A | .84d | 0.341a | |||||||||
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Independent variables: |
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Groupe | N/A | N/A | 0.008 | 0.165 | 1.008 | 0.73-1.393 | .96f | N/A | |||||||||
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Age | N/A | N/A | –0.004 | 0.012 | 0.996 | 0.973-1.018 | .70f | N/A | |||||||||
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HRQOL | N/A | N/A | –1.041 | 1.044 | 0.353 | 0.046-2.733 | .32f | N/A | |||||||||
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Comorbidity | N/A | N/A | –0.011 | 0.111 | 0.989 | 0.796-1.229 | .92f | N/A | |||||||||
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NACTg | N/A | N/A | –0.01 | 0.033 | 0.990 | 0.928-1.056 | .77f | N/A | |||||||||
a€1=US $1.03.
bN/A: not applicable.
cP value Omnibus test General Linear Model Multivariate Regression.
dPearson χ2 value divided by degrees of freedom (goodness of fit of the model).
eIntervention/Control; Reference category=Intervention
fP value for the independent variables in the General Linear Model Multivariate Regression Model.
gNeoadjuvant chemotherapy treatments