Among the most recent crop of Ph.D.s, with degrees earned after 2001, the difference shrinks to about 2 percentage points and the success rate drops to about 25%.
In countries of the Former Soviet Union (FSU) mortality from prostate cancer is lower compared to Germany, however, during the last years the difference shrinks continuously (see Fig. 1).
When the researchers controlled for the field of study, the difference shrank to 11%, and when they controlled for gender, marriage, and parenthood, it vanished, with childless women matching men in income.
When the researchers adjusted the data to correct for patient age and virus levels in their blood, the difference shrunk to 3%, and it was no longer statistically significant, the team reports today in The New England Journal of Medicine (NEJM).
The biggest seasonal mass change between the 1970s and 1990s occurs in the autumn, with the difference shrinking until March, when masses are the same.
The biggest mass drop coincides with the autumn peak in peregrine abundance, with the difference shrinking as the peregrine index declines during the winter.
A 48% quit rate at 2-4 weeks in subjects with high and very high lung cancer risk scores but this difference shrinks to 27% at 6 months.
There, too, the differences shrink a bit on closer inspection.
