The phrase "an important decrease of" is correct and usable in written English.
It can be used when discussing a significant reduction in quantity, size, or degree of something.
Example: "The study revealed an important decrease of pollution levels in the river over the past decade."
Alternatives: "a significant reduction in" or "a notable decline in".
The experimental results reveal that an important decrease of power is not observed.
First of all, an important decrease of the initial burst effect is ensured.
It implies an important decrease of costs compared to other ways of service at the same level.
The solid loading causes an important decrease of the vortex energy and, consequently, a weakening of the dipleg tangential velocity.
Addition of TiO2 followed by irradiation with UV-C also resulted in an important decrease of lipooxygenase enzyme's activity.
In almost all cases, obstructive vestibular schwannomas presented with an important decrease of the perilymphatic signal in both anterior and posterior labyrinth.
Rotator cuff injuries are a common source of shoulder pathology and result in an important decrease in quality of patient life.
These fractures may provoke disability and contribute to an important decrease in quality of life.
These treatments can cause an important decrease in quality of life, are not curative, and may eventually lead to castration resistant disease requiring further systemic treatment [ 10].
Average tidal volume showed a linear relation with two year survival, such that even a relatively small decrease in average tidal volume over stay in the intensive care unit was independently associated with an important decrease in risk of mortality.
Therefore, this study suggests that there was an important decrease in the quality of life of those patients in which pain and disability did not improve throughout the study.
