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.
Argentina is not the only country that has struggled, or even failed, to pay its debt in recent years. It is hardly the only country with a severely impaired credit rating either. Alongside Argentina, Moody's currently lists 10 other countries with a rating of Caa1 or worse.hen a government has a great deal of debt relative to the size of its economy, its credit rating may also be lower. Three of the nations potentially at risk of default had among the world's highest debt levels, at 120% of GDP or more based on 2014 estimates.