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Value of payment-for-performance schemes: German study in ophthalmology field did not show effect on quality of care
Payment-for-performance schemes in health care remain controversial as there is no solid evidence that they improve quality of care. Cochrane systematic review found evidence that P4P schemes can slightly improve the use of tests and treatments by physicians and have no impact on utilization of resources by patients. The very critical factor for the success of the P4P scheme is its design (performance measures, target, payment frequency etc.).
A new study, published in Health Policy by Herbst et al, did not show any positive long-term effects of the implementation of P4P on quality of care. The program was implemented within the integrated contract framework between one ophthalmological clinic and one statutory health insurance company in Germany.
Pay-for-performance (P4P) has become a popular approach to increase effectiveness and efficiency in healthcare. So far, there is little evidence regarding the potential of P4P in the German healthcare setting. The aim of this study was to determine the impact of P4P on the quality of care in cataract surgery.
In 2012, a P4P program was implemented in a German surgical centre for ophthalmology. Five quality measures regarding process quality, outcomes, and patient satisfaction were measured over a period of 4.5 years. The P4P scheme consisted of bonus and penalty payments accounting for five per cent of total compensation. Overall, 1657 P4P cases were examined and compared with 4307 control cases. Interrupted time series and group comparisons were conducted to identify quality and spill-over effects.
We found a positive impact on process quality and patient satisfaction before the implementation of the P4P scheme, but declining trends during and after the implementation. Our findings did not show an impact of P4P on outcome measures. Furthermore, P4P did not result in better quality of care, compared with the German hospital-based reimbursement scheme.
This study did not show any positive long-term effects of the implementation of P4P on quality of care. Therefore, our results do not support the hypothesis that P4P leads to significant improvements in quality of care.
See full article here.