Accounting for variation in the quality of care is a major challenge for the assessment of hospital cost performance. Because data on patients’ health improvement are generally not available, existing studies have resorted to inherently incomplete outcome measures such as mortality or...

Accounting for variation in the quality of care is a major challenge for the assessment of hospital cost performance. Because data on patients’ health improvement are generally not available, existing studies have resorted to inherently incomplete outcome measures such as mortality or...