Health boards (known offically as local health boards) are the NHS bodies in Wales

Age-standardisation allows comparison of rates across different populations while taking account of the different age structures of those populations. Failure to take account of differing age structures can be very misleading when comparing rates in different populations. Age-standardisation allows the production of a rate (direct standardisation) [..]

A heart condition that causes an irregular and often abnormally fast heart rate (1). AF is more likely to occur in people with other conditions such as high blood pressure or atherosclerosis. Although it can affect adults of any age it affects more men than women and becomes more common with old age. About 1 in 200 people aged 50-60 have AF. This r [..]

[Online]. London: NHS; 2013.

[Online]. London

Attributable fractions are the proportions of all cases (e.g. deaths or hospital admissions) that are thought to be caused by a particular exposure, for example alcohol or smoking. Fractions are calculated for conditions where there is considered sufficient evidence of a causal relationship between the exposure and the disease or injury.

BMI is a measurement of a person’s weight, compared to their height. BMI is calculated as weight (in kilograms) divided by the height squared (in metres). Adults with a BMI of 25 or more are categorised as overweight and with a BMI of 30 or more as obese. 

risk stratification scoring system

therapy or antiplatelet therapy.  A high CHADS2

score corresponds to a lower risk of stroke