Changing health-care systems.
Many governments are encouraging competition for resources between health centres in an attempt to reduce costs and improve the quality of services. However, opponents to managed care believe that this will create more administrative costs and reduce patient choice. So-called purchasing organizations are being established to direct patients to the most cost-effective care. Assessing performance is complicated as very sick or difficult-to-treat patients are likely to be more costly. Statistical techniques can be used to clarify the impact of risk factors, such as smoking, on the outcome of care.
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