The phrase "a modest improvement over" is correct and usable in written English.
You can use it when comparing two things, indicating that one is slightly better than the other.
Example: "The new software update offers a modest improvement over the previous version in terms of speed and efficiency."
Alternatives: "a slight enhancement compared to" or "a small upgrade from".
To be fair, even this weak compromise would be a modest improvement over current law.
In New York City, the failure rate was 66.9percentt, again a modest improvement over 2000.
In one of your critiques, you give the patient safety movement a grade of "B," a modest improvement over the "C+" you gave five years ago.
Despite all the online hype, "Sharknado" was watched by about 1.37 million viewers, according to Nielsen, only a modest improvement over the channel's usual Thursday night performance.
It was a sharp rebound from the decline that took place at the end of last year and a modest improvement over spectacular earnings during the last days of the bull market one year ago.
Ground spraying would likely bring only a modest improvement over the manual destruction of poppy plants, but officials who support the strategy hope it would reassure Afghans about the safety of the herbicide and make eradication possible.
Early hybridization methods to improve HIV-1 resistance mutation detection, such as the Line Probe Assay (LiPA), offered a modest improvement in sensitivity over bulk sequencing but experienced frequent detection failures due to the considerable nucleotide polymorphisms present in HIV-1 [11].
27 Although the management of advanced NSCLC remains a challenge, our study demonstrates a modest improvement in survival over the last few decades, which may partly be attributed to the adoption of platinum-based chemotherapy.
Information in EVEX was used to re-rank output from TEES in the BioNLP'13 GE subtask, resulting in a modest improvement in performance over the use of TEES alone [ 76].
Related to this observation, Iwashita et al. [23] found that C57BL/6J mice subject to two hours of continuous oscillatory visual stimulation exhibited a modest improvement in OKR performance over time, with a slow increase in gain from 0.4 to 0.6 and a slow decrease in phase lag from 15° to 8°.
Although the PCV cases showed a modest improvement in their mean BCVA over 12 months in the present study, our results demonstrated that IVR rescued the vision of PCV patients, since we previously reported that the mean BCVA of PCV cases had deteriorated significantly by 12 months following their natural course [ 35].
