The phrase "an increase in level" is correct and usable in written English.
It can be used when discussing a rise or improvement in a particular measurement, status, or condition.
Example: "The study showed an increase in level of student engagement after implementing new teaching methods."
Alternatives: "a rise in level" or "an elevation in level".
Visual analysis of the data showed an increase in level and trend when IR was introduced in each phase.
An increase in fluid volume and % fluid volume readings equates to an increase in level of lymphoedema.
To see an increase in level, an absorption of 120 ng would be required, based on 20% precision in the measurements (laboratory and population variation).
One category of Cbf genes, (Cbf-2, - A22 and B-22) reflected an increase in level of expression with cold acclimation in both FR and FS lines.
Based on the current study findings, an increase in level of total daily physical activity from 2.5 × 10 counts/day to 3.0 × 10 counts/day (50th percentile) could potentially result in a 14% reduction in hazard of developing ADL disability.
The proportion of patients being screened for tobacco use increased with an increase in level of education– 24% (152 individuals) of 'Uneducated'; 29% (114 individuals) of those with 'Less than primary' education; 35% (120 individuals) with 'Primary but less than secondary' education, and 36% (52 individuals) with 'Secondary and above' education.
There is clear evidence demonstrating the link between the illicit drug trade and an increase in levels of violence, conflict, crime and corruption and decreased citizen security.
Heat stress can also affect plant metabolism, inducing an increase in levels of respiration in the light (R light) and dark (R dark) relative to P N 27.
DR also causes an increase in levels of BDNF, a protein shown to help newly born neurons survive (Mattson et al., 2004).
In blood samples drawn periodically during the experiment, the researchers found an increase in levels of the stress hormone cortisol and increased fluctuation in plasma glucose and insulin levels during and after the mental workouts.
The best data are on another aspect of ageing which is that as you get older, you have an increase in levels of inflammatory cytokines in your blood – molecules involved in the inflammatory response.
