The phrase "a decrease in level" is correct and usable in written English.
It can be used when discussing a reduction in a specific measurement or standard, such as in scientific, economic, or educational contexts.
Example: "The study showed a decrease in level of pollutants in the river after the new regulations were implemented."
Alternatives: "a drop in level" or "a reduction in level".
The patient's condition deteriorated with the development of hypotension, weak pulses, and a decrease in level of consciousness.
An increase in Theta activities in (O_1) and (P_3) may indicate slowness in information processing and a decrease in level of alertness [9, 10, 11].
In the Canadian study more productivity was lost due to a decrease in level of functioning at work on days when breathing problems were worse than usual than due to days off work.
The development of a new focal deficit or a decrease in level of consciousness, not explained by other causes (e.g., hydrocephalus or re-bleeding), should prompt aggressive treatment [ 90, 124].
Delayed cerebral ischemia (DCI) was defined as a decrease in level of consciousness of ≥ 2 points on the Glasgow Coma Scale, the appearance of a focal neurologic deficit, or both, for ≥ 3 hours, after exclusion of rebleeding, hydrocephalus, infection, or metabolic causes for the deterioration [ 11].
These animals also showed an increase in levels of nerve fibers, synapses and myelination, a decrease in levels of lesion cavity and cell apoptosis at 8 weeks post-treatment.
Tg6F decreases the expression of cholesterol 25-hydroxylase (CH25H) which leads to a decrease in levels of 25-hydroxycholesterol (25-OHC), which in turns leads to decreased levels of osteopontin (Spp1), which leads to decreased levels of myeloid derived suppressor cells (MDSC) in the small intestine.
We also observed a decrease in levels of Bcl-2 and Bcl-XL signaling events downstream of NF-κB in the tumor model.
Skin aging appears to be principally related to a decrease in levels of Type I collagen, the primary component of the dermal layer of skin.
There was a decrease in levels in 1 week on continuous force retraction by hybrid retractor (HG) [28].
