The phrase "a failure to improve" is correct and usable in written English.
It can be used when discussing a lack of progress or advancement in a particular area, such as performance, skills, or conditions.
Example: "The team's performance this season has been disappointing, marked by a failure to improve despite the new training regimen."
Alternatives: "an inability to progress" or "a lack of advancement."
And his administration has made mistakes, including a failure to improve the deplorable school system.
A failure to improve collection dramatically in the course of this year would threaten Russia's new-found economic stability.
Research shows that a failure to improve social mobility will cost the UK economy up to £140bn a year by 2050.
The worry is that a failure to improve conditions in the private rented sector, as it houses more low-income and vulnerable households, will lead to a rise in health costs.
Children's minister Edward Timpson has written to the authority to express his "great concern" over a failure to improve "inadequate" Ofsted ratings.
Hysteroscopic niche resection is usually a successful treatment, but can result in a failure to improve symptoms or symptoms can recur.
Cognitively intact adults (≥18 years) referred for community care (home or clinic) with a venous ulceration measuring ≥0.7cm and present for ≥1 week, with an ankle brachial pressure index (ABPI) ≥0.8, without medication-controlled Diabetes Mellitus or a previous failure to improve with either system, were eligible to participate.
Delegates described Gove and Wilshaw as showing an "abject failure to improve education or treat teachers, parents and pupils with respect".
The mean SCIPP CMI was 1.74 (SD = 0.43) among persons who improved in cognitive performance and 1.67 (SD=0.43) among persons who experienced an incidence or failure to improve in cognitive performance.
However, in this patient's case with her prominent features of a hypersensitivity reaction and failure to improve after SSZ discontinuation, corticosteroids were administered to hasten recovery.
Following the publication of three phase III studies comparing mitoxantrone and prednisone to prednisone alone in androgen independent prostate cancer, which demonstrated an improvement in symptom control despite failure to improve survival, chemotherapy has become accepted as having a role at this point in the disease (Tannock et al, 1996).
