TABLE 3.
Primary Analysis of 6-month Readmission Rate
| No. of Readmissions Total No. of Admissions % Readmissions | Adjusted Odds Ratioa 95% CI P | ||||
|---|---|---|---|---|---|
| Preimplementation (Before 1/1/2008) | Initially Specified Implementation (1/1/2008 to 7/31/2008) | Added Implementation Component (8/1/2008 to 3/31/2009) | Final Postimplementation (After 3/31/2009) | Initial Analysis (A) Comparing 8/1/2008–12/31/2009 With Preimplementation Period | Final Analysis (B) Comparing 4/1/2009– 12/31/2010 With Preimplementation |
| 129 | 26 | 60 | 83 | 1.04 | 0.67 |
| 754 | 196 | 241 | 673 | 0.78–1.40 | 0.50–0.91 |
| 17.1 | 13.3 | 24.9 | 12.3 | .78 | .01 |
a
Adjusted odds ratios compare the 6-month readmission rates between the indicated initial and final postimplementation and preimplementation periods after covariate adjustment for age, gender, race, and insurance type.