From: Feasibility and validity of International Classification of Diseases based case mix indices
CMI variables | ||
---|---|---|
Severity of illness index | Abbreviation | Definition |
DRG costliness CMI | DRGCMI | CMI based on payments for DRGs |
ICD principal diagnosis costliness CMI | ICDCMI-DC | CMI based on payment under ICD principal diagnosis groupings |
ICD principal diagnosis LOS CMI | ICDCMI-DL | CMI based on LOS under ICD principal diagnosis groupings |
ICD procedure costliness CMI | ICDCMI-PC | CMI based on payment under ICD procedure code groupings. |
ICD procedure LOS CMI | ICDCMI-PL | CMI based on LOS under ICD procedure code groupings |
Hospital variables | Â | Â |
Accreditation status | ACC | Medical center (ACC = 1) |
 |  | Regional hospital (ACC = 2) |
 |  | Local hospital (ACC = 3) |
 |  | Non-accredited (ACC = 4) |
Ownership | OWNER | Public (OWNER = 1) |
 |  | Non-profit (OWNER = 2) |
 |  | Private (OWNER = 3) |
Teaching status | EDU | Teaching (EDU = 1) |
 |  | Non-teaching (EDU = 0) |