TABLE 3

Thirty-Day Readmission Risk Scores for the Model at Admission

Risk Factorβ-CoefficientPointsa
Any admissions in previous 6 mo.531
Any ED visits in previous 6 mo.712
No. CCC categories
 1Reference0
 2.551
 ≥3.832
Medical admission.602
Readmission risk scoreRange 0–7
  • —, not applicable.

  • a Points calculated by multiplying β-coefficients by 2.5 and rounding to the nearest integer; this allowed 1 or more variables to have a point value of 1, generating a more continuous distribution of risk scores, and differentiated between levels of the categorical variable. Points added to compute a readmission risk score.