According to the Scottish Executive (1999), the Percentage of People

According to the Scottish Executive (1999) , the percentage of people receiving surgical treatment (coronary artery bypass grafts) in different social groups were

A) The same across all social groups
B) Higher among people from the higher socio-economic groups
C) Higher among men but not women in the higher social groups
D) Higher among people from the lower socio-economic groups - but not as high as the disease rates would require