Many star ratings exist and are defined on a use case basis. Refer to the categories below for some standard uses.
General Star Ratings
See: *Rating Rating is a means of classifying things in different categories. ...
Freezer & Refrigerator Ratings
Freezers & refrigerators with a freezer compartment have a star rating. One star / Temperature = -6°C Maximum storage time for frozen food / 1 week Domestic refrigerators (usually shortened to fridge) are amongst the most common electric applicances in the world, for instance being present in 99. ... The inside of a fridge A refrigerator (often shortened to fridge) or freezer is an electric appliance that uses refrigeration to help preserve food. ... The degree Celsius (°C) is a unit of temperature named after the Swedish astronomer Anders Celsius (1701–1744), who first proposed a similar system in 1742. ...
Two stars / Temperature = -12°C Maximum storage time for frozen food / 1 month
Three stars / Temperature = -18°C Maximum storage time for frozen food / 3 months
Four stars / Temperature / -21°C Maximum storage time for frozen food / long term, up to 12 months
Fresh food can only be frozen in a freezer with a four star (****) rating.
See also: *Domestic refrigerator The inside of a fridge Domestic refrigerators (usually shortened to fridge) are amongst the most common electric applicances in the world, for instance being present in 99. ...
Performance ratings for NHS trusts in England, covering the year ending March 2003 are the first to be produced and published by CHI, the Commission for Health Improvement.
The method used this year to determine ratings is based on last year's approach, although there have been some changes to individual indicators and some modifications to the methodology for calculating the starratings.
Where a trust has a low rating based on poor performance on a number of key targets and indicators, this does not necessarily mean that a hospital is unsafe, does not contain some very good clinical services or that the staff are not working hard in often difficult circumstances.
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