Adjustment method and application of CMI in hospital medical performance evaluation

Objective To analyze the applicability of case mix index (CMI) in medical performance evaluation of different type of hospitals and its calculation method. Methods Standardized adjustment to the CMI value of hospitals according to the CMI of the main disease categories (MDC) of short-term inpatient cases of the city, to align the CMI values of various hospitals with their levels of medical and technical services. Results The said adjustment ensures the CMI value to better represent the levels of such hospitals. Conclusion The adjusted CMI calculation method can provide accurate data support for various hospitals' performance evaluation. Key words: Medical performance evaluation; CMI; DRGs