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Table 3 Models of Medicare spending 1-year following index admission by type of service (N = 4684)

From: One-year costs of medical admissions with and without a 30-day readmission and enhanced risk adjustment

  (1) (2) (3) (4)
Acute inpatient care spending ($) Acute inpatient care, days Outpatient care spending ($) Had an outpatient care visit within 30 days of index discharge
Average observed value 24,633 7.10 13,784 0.95
Model-predicted value of the difference in Medicare utilization associated with patients with 30-day readmission 13,191*** 12.59*** 3325*** 0.17***
N 4684 4684 4684 4684
r2 0.14 0.23 0.19 0.04
  1. *** p < 0.001