The phrase "a reduction in the length of" is correct and usable in written English.
It can be used when discussing a decrease in size, duration, or extent of something, such as a document, project, or physical object.
Example: "The new design resulted in a reduction in the length of the report, making it more concise and easier to read."
Alternatives: "a decrease in the length of" or "a shortening of".
The changes are accompanied by much more tightly drawn and limited anti-terror stop and search powers, a reduction in the length of time someone can be held with out charge from 28 to 14 days, and tighter regulation of the use of surveillance powers by local authorities.
Although a reform package that included a reduction in the length of the presidential term and an expansion of parliamentary power was passed in 2007, a constitutional amendment was passed alongside it that rendered Nazarbayev personally exempt from the standard two-term limit on the presidency.
In our study, in general, a reduction in the length of the genetic map was observed in male-segregating populations relative to female-segregating populations (Table 1).
Income from tourism might then be falling in many destinations despite the increase in visitor arrivals, due to a reduction in the length of stay.
In Lyon, the arrival of HSR certainly contributed to the arrival of major national trade fairs, but it also resulted in a reduction in the length of stays, from 2.3 to 1.7 days in 1993 [77].
The performance of most bariatric procedures within an Enhanced Recovery After Surgery (ERAS) programs has resulted in considerable advantages, including a reduction in the length of hospital stay to 2 to 3 days.
On the other hand, a 50% reduction in the length of prison stays for violent offenses could reduce the prison population by 16%, more than twice the effect.
The units had displayed measurable reduction in the length of stay of at least 2 days.
Part of the reduction in overall genome size can be attributed to a reduction in length of most of the protein-coding genes (Table 1).
Allocation to HaH resulted in a reduction in hospital length of stay, but HaH increased overall length of care.
Trends also suggested a reduction in median length of stay; inpatient mortality remained low across groups.
