Table 4. Changes in Institutional Postacute Spending and Length of Stay Among Episodes With Institutional Postacute Care Associated With Random Assignment Into the CJRa.
| Variable | Change in Outcome Associated With the CJR | Baseline Pre-CJR Average in CJR Group | Change Relative to Baseline, % (95% CI)b | P Value |
|---|---|---|---|---|
| Skilled nursing facilities | ||||
| Payments, $ | −842 | 14 245 | −5.9 (−1237 to −446) | <.001 |
| LOS per visit, d | −1.5 | 25.4 | −5.9 (−2.2 to −0.9) | <.001 |
| Payment per day, $ | 9 | 522 | 1.7 (−1 to 18) | .07 |
| Inpatient rehabilitation facilities | ||||
| Payments, $ | 394 | 16 730 | 2.4 (−367 to 1155) | .31 |
| LOS per visit, d | −0.1 | 11.8 | −0.9 (−0.5 to 0.2) | .53 |
| Payment per day, $ | 79 | 1554 | 5.1 (8 to 150) | .03 |
Abbreviations: CJR, Comprehensive Care for Joint Replacement; LOS, length of stay.
a
Episode-level changes in spending, LOS, and average Medicare payments per day at skilled nursing facilities (SNFs) and inpatient rehabilitation facilities (IRF) associated with the CJR for episodes in which the beneficiary was admitted to an SNF or IRF.
b
Percent change was defined as a share of the baseline level of the outcome among this subset of episodes.