Fig. 1

Quadrant analysis of hospital admission rates and 30-Day readmission rates. This diagram categorizes hospitals based on their average annual admissions and 30-day readmission rates, creating four zones: Zone I (low admissions, low 30-day readmissions rate), Zone II (high admissions, low 30-day readmissions rate), Zone III (high admissions, high 30-day readmissions rate), and Zone IV (low admissions, high 30-day readmissions rate)