In terms of dollars, the improvement of $315 billion was almost 10 times as big as the largest previous improvement, of nearly $35 billion, in 1988.
Our study shows a slightly lower concordance between Xpert and culture than previously reported despite the previous assay improvements made in 2010 [ 20].
The incidence of scrotal cancer in the United Kingdom decreased during the 1970s and the early 1980s, probably because of previous improvement in the occupational hygiene and the removal of carcinogens; a further decrease in incidence was expected (Sorahan et al, 1989).
However, in the previous study, improvement plateaued, and even regressed slightly, two years later [ 23].
However, compared to the UDP scenarios analyzed in the previous subsection, the improvement of DEMON under mobility is less remarkable.
Although intravenous steroid pulse therapy was carried out in the previous three cases, improvement of symptoms was only observed in this study.
As mentioned in the previous section, the improvement of AFT-MDR is needed to make it more robust to the fraction of censoring.
On the basis of the limitation of the previous models, two main improvements have been proposed.
Each prototype was developed and evolved on the previous design, encompassing performance improvements and fabrication enhancements.
