Evaluating and improving the measurement of hospital case mix.

摘要: The foundation of case-based prospective payment is the case classification system. purpose systems to group together patients with similar treatment requirements. described in this issue take a variety theoretical and practical approaches classification. critical comparing these whether variation requirements which not explained by system associated particular groups patients, hospitals, or hospitals such way as result unfair reimbursement. We suggest criteria for research agenda clarifying fairness different approaches.