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First, we estimated the models excluding the Medicare reimbursement variable to assess whether the coefficients of the other key variables were sensitive to its inclusion.
Second, we estimated the models limiting the sample to beneficiaries in counties that had at least ten surgical episodes in the prior time period, because the value of the reimbursement variable might be unstable if based on only a few surgical episodes in the countye.
With respect to the relative Medicare reimbursement variable, the Hausman-Wu test suggests that it is likely endogenous in the case of cataracts, implying that relative Medicare reimbursement for surgery may be higher in areas where physicians perform more surgery because those physicians may be able to manipulate reimbursement rates to their advantage.
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Note that healthcare reimbursement is variable among countries.
where the capacity cost was the additional cost for the Volume RAD software while the unit contribution margin = reimbursement rate - variable unit cost.
The break even point for the DTS investment was calculated as: Capacity (fixed) cost/unit contribution margin where the capacity cost was the additional cost for the Volume RAD software while the unit contribution margin = reimbursement rate - variable unit cost.
We use three measures of benefits: a reimbursement dummy (binary variable for having received reimbursement), the amount of reimbursement received, and the rate of reimbursement (reimbursement/total cost).
They found variable reimbursement recommendations across the agencies for the three drugs reviewed and speculated as to reasons for differences, including the differences in overall types of clinical and economic evidence considered, although the authors did not describe in detail the evidence considered by each agency in reaching their decisions.
The main barrier to the routine use of EBUS and EUS in staging lung cancer is the variable procedure reimbursement seen in different countries as well as inconsistent introduction into national or local guidelines.
Modifications of the claims codes could address this issue to some extent, but such modifications are not easy to implement and uptake may be variable if reimbursement is not directly tied to the new codes.
Outcome measures included overall characteristics of Medicare beneficiaries receiving facet joint interventions, utilization of facet joint interventions by place of service, by specialty, reimbursement characteristics, and other variables.
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