Rosko M D, Broyles R W
Inquiry. 1986 Spring;23(1):67-75.
Two prospective payment systems that operated concurrently in New Jersey during 1980-1982 created a natural experiment and a unique opportunity to compare the effectiveness of the two systems in restraining cost increases. Our results indicate that during that period, annual increases in the cost per case were significantly less in hospitals that were subject to the all-payer DRG system than in those institutions that were paid under the Standard Hospital Accounting and Rate Evaluation (SHARE) program. We also found that, relative to the SHARE program, the DRG system appears to have increased admission rates and reduced length of stay.
1980年至1982年期间在新泽西州同时运行的两种前瞻性支付系统创造了一项自然实验，以及一个比较这两种系统在抑制成本增长方面有效性的独特机会。我们的结果表明，在那段时期，采用按疾病诊断相关分组（DRG）全付费系统的医院，其每例病例成本的年增长率显著低于那些按照标准医院会计与费率评估（SHARE）计划付费的机构。我们还发现，相对于SHARE计划，DRG系统似乎提高了住院率并缩短了住院时间。
