Figure 2.

Association of post-discharge health services utilization within 7 days, 14 days, and 30 days of discharge from index admission with unplanned 30-day readmission (n = 583,199). Notes: (i) In multivariable logistic models, odds ratio (OR) and 95% confidence interval (CI) were adjusted for 7 different types of post-discharge care (institutional outpatient, primary care physician, specialist, non-physician provider, emergency department, home health care, skilled nursing facility) and all other explanatory variables listed in Table 2. (ii) p <0.05 if 95% CI does not include one. (iii) Full estimation results are presented in Appendix Table 1, panel A.