Table 1.

Median Changes in Risk-Adjusted 30-Day Readmission Rates Between 2009 and 2012 per Baseline Quartile of 30-Day Risk-Adjusted Readmission Rate^*

Quartile	Readmission Rate in 2009, %	Median Relative Change in Readmission Rate, 2009–2012, % (Interquartile Range)
1	17.18–19.32	−0.9 (−3.1 to 4.6)
2	19.33–19.91	−4.9 (−7.4 to 0.5)
3	19.92–20.66	−7.0 (−10.4 to −2.6)
4	20.67–23.11	−8.7 (−12.9 to −5)

^*P = .003