Table 4.
Changes in the anti-epileptic drug choice (demographics of the sample)
| 2007 Calendar Year | 2010 Calendar Year | |
|---|---|---|
| Subjects | >4M | >4M |
| Female | 60% | 59% |
| Low income subsidy | 31% | 31% |
| Dual eligible beneficiarya | 19% | 8% |
| Age (mean, SD) | 70 (12) | 70 (13) |
| Risk scoreb | 1.08 | 0.98 |
Note:
a
Dual eligible beneficiary for Medicare-Medicaid,
b
risk score refers to part D risk adjustment score based on diagnoses. Part D refers to the Medicare files that contains information about medication fills.
Abbreviation: M, million.