RESULTS: A total of 2144 patients were reviewed, and 74 were found to have dural tears occurring during or before surgery. Incidental durotomy occurred at the time of surgery in 66 patients (3.1% overall incidence).Incidence varied according to the specific procedure performed but was highest in the group that underwent revision surgery.ncidental durotomy occurred at the time of surgery in 66 patients (3.1% overall incidence). Incidence varied according to the specific procedure performed but was highest in the group that underwent revision surgery.
âGDP is a flawed measure of human welfareâ. GDP has always been a measure of output, not of welfare. Using current prices, it measures the value of goods and services produced for final consumption, private and public, present and future.n a recent paper submitted as evidence to the LSEâs Growth Commission, I consider three common criticisms of GDP as a target of policy and explain why I think they are wrong (Oulton, 2012a): 1  The first criticism is that GDP is hopelessly flawed as a measure of human welfare.
Cheryl Latham for Metro Thursday 25 Apr 2013 7:28 am. GDP is a measure that shows if the economy is growing or shrinking (Picture:PRESS ASSOCIATION). Gross domestic product, or GDP, is an important economic measure because it attempts to pinpoint the countryâs economic health in just one number.It is an estimate of all the economic activity taken over the previous three months.heryl Latham for Metro Thursday 25 Apr 2013 7:28 am. GDP is a measure that shows if the economy is growing or shrinking (Picture:PRESS ASSOCIATION). Gross domestic product, or GDP, is an important economic measure because it attempts to pinpoint the countryâs economic health in just one number.