Figure 2.

Results of 2-sample t tests comparing the rates of 30-day unplanned hospital readmissions between hospitals that received 1-star (1*) and 5-star (5*) ratings for patient experience. The outcome measures are risk-adjusted readmission rates (adjusted for hospital and patient characteristics) and reported as hospital readmission “scores.” The “n” refers to the number of hospitals contributing data to the analysis. AMI indicates acute myocardial infarction; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease.