Health care is the maintenance or improvement of health via the diagnosis, treatment, and prevention of disease, illness, injury, and other physical and mental impairments in human beings. Health care is delivered by health professionals in allied health professions, chiropractic, physicians, dentistry, midwifery, nursing, medicine, optometry, pharmacy, psychology, and other health professions. It includes the work done in providing primary care, secondary care, and tertiary care, as well as in public health.
Access to health care varies across countries, groups, and individuals, largely influenced by social and economic conditions as well as the health policies in place. Countries and jurisdictions have different policies and plans in relation to the personal and population-based health care goals within their societies.
Health care systems are organizations established to meet the health needs of target populations. Their exact configuration varies between national and subnational entities. In some countries and jurisdictions, health care planning is distributed among market participants, whereas in others, planning occurs more centrally among governments or other coordinating bodies.
Health care ratings are ratings or evaluations of health care used to evaluate process of care, healthcare structures and/or outcomes of a healthcare services. This information is translated into report cards that are generated by quality organizations, nonprofit,consumer groups and media.
This evaluation of quality can be based on:
1. Measures of Hospital quality.
2. Measures of Health Plan Quality.
3. Measures of Physician Quality.
4. Measures of Quality for Other Health Professionals.
5. Measures of Patient Experience.