"subtle decrease" is correct and usable in written English.
You can use it to describe a gradual decrease in something. For example: "The temperature in the room had a subtle decrease as the evening grew colder."
Healthy vagal function is reflected in a subtle increase in heart rate while breathing in and a subtle decrease while breathing out.
The initial increase in the chorioretinal lesions and the subtle decrease in visual acuity (to 20/25) were consistent with active inflammatory disease observed clinically.
Acute normotensive anemia (HES hemodilution) was associated with a subtle decrease in brain tissue PtO2 without clear evidence of global tissue hypoperfusion.
a T1-weighted and fat-suppressed T2-weighted images of the thoracolumbar spine, with a subtle decrease in signal intensity on T1-weighted and increase on T2-weighted images, reappearance of normal bone marrow.
Previous detailed studies are consistent with only a very subtle decrease in glycerophospholipid levels with age [59].
Giemsa staining of mouse marrows revealed a subtle decrease in cell density in Tg and KO congenic collagen X samples, apparent as presence of more open spaces (Fig. 2A).
SCC17as displayed subtle decreases in PTEN and MLH1 methylation in the AP-2α-downregulated cells (Figure 2b and 2d), and both SCC11B and SCC17as revealed increased target gene expression after AP-2α downregulation (Figure 2c).
The addition of the meditational relaxation component of LY may also be responsible for the subtle increases in happiness, mood and optimism and the subtle decreases in stress.
Participants reported slight increases in happiness, mood and optimism and had subtle decreases in stress, consistent with LY research in the other populations [ 24].
Clues to this understanding may come from studying subtle decreases in cognitive functioning, which, as several researchers have found, often precedes the development of dementia.
Table 1 presents the mean scores on all measured variables for participants who completed both the T1 and T2 questionnaires.> Subtle increases were observed for GLS, HPMood, Optimism, and Control, and subtle decreases were also reported for Stress.
