The phrase "a reduction of approximately" is correct and usable in written English.
It can be used when discussing a decrease in quantity, size, or value, often in a statistical or analytical context.
Example: "The study showed a reduction of approximately 20% in energy consumption after implementing the new policy."
Alternatives: "a decrease of about" or "a drop of roughly".
On average, a reduction of approximately two points or a reduction of approximately 30% in the PI-NRS represented a clinically important difference.
This may result in a reduction of approximately 1,500 roles from across the enlarged Aviva Group of approximately 31,500 people.
Determination of the stress-strain properties of modified PVC sheets showed a reduction of approximately 30%.
The annual precipitation contour lines indicate a reduction of approximately 35% of Tahoe City precipitation.
Of the patient-rated measures, a reduction of approximately 20% in β2 bronchodilator use was seen (P =.10).
Before the state budget deal this month, Bruce Feig, the budget director of the Education Department, said that the school system faced a $60 million cut, representing a reduction of approximately 2percentt of initial allocations to each school.
Non-adjuvanted IIV IIV vaccination caused a 2.5 log reduction of virus replication in the lungs compared to naive animals and adjuvanted IIV IIV caused a reduction of approximately 3 logs.
It is observed that a reduction of approximately 40 50% in the wear is possible by addition of finer particles 25% (w/w) of bigger particles.
In this example the presented mpMPC for LPV systems shows a reduction of approximately 60% of the reference tracking error compared to the mpMPC for LTI systems.
In the third experiment, 30 goat colostrum samples were used and a reduction of approximately 35% of IgG concentration after pasteurization was observed.
It was found that the absorber designed at time-average load provided a reduction of approximately 4% in the purchased cost of absorbers.
