The phrase "a significant decrease in the ratio" is correct and usable in written English.
It can be used when discussing changes in numerical values or comparisons, particularly in statistical or analytical contexts.
Example: "The study revealed a significant decrease in the ratio of carbon emissions over the past decade."
Alternatives: "a notable reduction in the ratio" or "a marked decline in the ratio."
In 12 normal healthy volunteers, Suffredini et al. demonstrated that injection of endotoxin induces a depression of LV systolic function associated with a significant decrease in the ratio of pulmonary capillary wedge pressure to LV end-diastolic volume index [23].
Ret inhibition alone or combined with tamoxifen, but not fulvestrant, caused a significant decrease in the ratio of pY576/577Fak/Fak levels.
We observed a significant decrease in the ratio of TLR4 positive cells as the treatment concentration of gAd increased from low to high.
In tenm3 morphants, we found a significant decrease in the ratio between OS voxels and the total population of visually responsive voxels, so the OS input becomes the smallest population of RGCs responding to drifting bars in this group.
Contrastingly, there was a significant decrease in the ratio of length to width of −0.13 (s.d. = 0.11, p-value = 0.01) and −0.18 (s.d. = 0.21, p-value < 0.05) in plants treated with 5 and 10 μM of BFA, respectively.
In phototype III subjects, we noticed a significant decrease in the ratio at the end of therapy in the third (0.727±0.33 vs 0.524±0.25, P<0.05) age group which can be observed in Figure 3.
Furthermore, for the first time we show that propranolol may improve metabolic function in the lungs with significant increases in the ATP/ADP ratio and NAD+ content and a significant decrease in the PUFA/MUFA ratio.
We observed a significant decrease in the NADH/NAD+ ratio in Mtb following THZ treatment (Figure 4).
As a result, we observed a significant decrease in the survival ratio of the Δttha0675 strain compared with the wild-type strain (Fig. 4C).
In AD plasma, a slight decrease was observed in the minor G4 peak, and an increase in the G1+G2 species, resulting in a significant decrease in the G4/(G1+G2) ratio (p = 0.006) (Fig 4B).
This combination of slightly increased α1 and decreased PLM resulted in a significant decrease in the PLM/α1 ratio.
