The phrase "a persistent deterioration" is correct and usable in written English.
It can be used to describe a continuous decline or worsening condition in various contexts, such as health, environment, or performance.
Example: "The report highlighted a persistent deterioration in air quality over the past decade."
Alternatives: "an ongoing decline" or "a continual worsening".
As the commission noted in its recent report on macro-imbalances, "a persistent deterioration of competitiveness" in France has led to a greater loss of world export share over the past ten years than in Germany, Italy or Spain, particularly in manufacturing.Scarcely a week goes by without another factory closure or a redundancy plan.
After a major deterioration in vegetation between ∼ 4370 to ∼ 3270 14C yr BP, the study area experienced improved moisture conditions between ∼ 3270 to ∼ 1450 14C yr BP, followed by a persistent deterioration of vegetation under a drying climate during the past ∼ 1500 years.
It said the country would experience a "more pronounced and persistent deterioration" in its budget and a "more prolonged period of economic weakness" than it expected at the start of the year.
According to Kherallah et al. (cited in Mercy Mpinganjira 2012, p. 167) many sub-Saharan African countries experienced persistent deterioration of balance of payment accounts in view of the prolonged economic crisis caused by continuous decline in industrial production and commodity prices as well as stagnating agricultural sectors, the main stay of most of the economies.
After 72 hours of persistent deterioration despite standard antibiotic therapy administration, the patient was transferred to the ICU of our hospital.
Irradiation of ELD but not LDI reconstructions produced dramatic and persistent deteriorations in both QoL and body image.
Clinical deterioration requiring resuscitation was defined as a persistent heart rate over 110/min, or a blood pressure less than 90/60 mmHg for at least 30 min.
On the other hand, a persistent low platelet count or relapse of thrombocytopenia often portends clinical deterioration and death.
As ROS constitute a persistent source of DNA damage, they were assumed to contribute to the age-related deterioration of functions in the organism.
