Numerator
Count of skilled nursing facility admissions
Denominator
Medicare fee-for-service beneficiaries
Methodology
Medicare FFS beneficaries limited to those who (a) have no months of HMO enrollment and (b) have both Part A and Part B for whatever portion of the year that they are covered by FFS Medicare (i.e., they have no months of A-only or B-only coverage).
Beneficiary age group (< 65 and 65+ ) was determined using the age of the individual at the end of the reference year or the individual's age at the time of death.