"overall improvements" is correct and usable in written English.
You can use it to refer to the aggregate of positive changes to an item or system. For example, "We've made several overall improvements to our customer service procedures."
There are sufficient positive results to conclude that these approaches improve metabolic control, although the overall improvements are modest.
Despite overall improvements in air quality, this disparity hasn't improved much in recent years.
Although data on overall improvements in mortality for each scheme were unavailable, improved utilisation of specialist birth attendants was also observed.
The overall improvements were found in every borough.
"I think it's very encouraging that Connecticut has shown overall improvements, but we can't relax yet," Ms. Milstein said.
In that regard, there have actually been overall improvements over the years, said Mr. Bain, the retired consultant.
As part of nearly $100 million in overall improvements, the military is also building a hospital and housing for 1,000 service members.
Baby boomers may hear better, the researchers said, because of overall improvements in health care and stricter rules about workplace noise.
Despite these overall improvements, a disparity still exists between the quality of life of the rural population and that of urban dwellers.
The group expects gasoline consumption to be down by 20,000 barrels per day this year because of overall improvements in vehicle fuel efficiency.
A new study, published in the medical journal Chest, found that when the device was used, both apnea patients and their partners reported less daytime sleepiness and overall improvements in social functioning and other areas.
