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Table 3 Spearmans correlations between CMI-ICDC and other measures (122 hospitals)

From: Hospital accreditation, reimbursement and case mix: links and insights for contractual systems

  R P value Sig*
CPT complexity 0.724 <0.001* A, B, C
ICU/Ventilator use 0.521 <0.001* A, C
Surgical proportion 0.404 <0.001* A, C
Readmissions (same hospital) 0.192 0.034*  
Readmissions (any hospital) 0.256 0.004*  
  1. *Significance determined with Tamhane’s T2 post-hoc comparison.