The phrase "a markedly high proportion" is correct and usable in written English.
It can be used to describe a significant or noticeable percentage of a particular group or category in a statistical or analytical context.
Example: "In the recent survey, a markedly high proportion of respondents indicated that they preferred online shopping over traditional retail."
Alternatives: "a significantly large percentage" or "a notably high share".
A markedly high proportion of "large repeat copy number" events was observed in this study.
Moreover, our finding shows that a markedly high proportion of BMI was noted among older age urban dwellers.
In total, 30 participants attended; the countries and the institutions they represent are listed in Table 2. Despite concerted efforts to draw a balanced group, the participant list reveals a markedly high proportion of academics, and indeed no representatives from industry.
Concomitant to the differences in larval performance we observed a difference in larval fatty acid profile: lower-performing larvae had a markedly lower proportion of mono-unsaturated fatty acids and a markedly higher proportion of poly-unsaturated fatty acids.
Both samples were highly similar to each other, and partially resembled the chromatographic and identity profiles of M. mipartitus from Colombia, although presenting a markedly higher proportion of 3FTxs (~ 83.0%) in relation to PLA2s (~ 8.2%), and a small amount of acetylcholinesterase, not detected in the venom from Colombia.
A low frequency of the surrounding nontumorous tissues (35/80, 44%) displayed rare positive nuclei (Figure 2A), while a markedly higher proportion of HCC samples (57/80, 71%) showed positive CENP-A immunostaining (Figure 2B D).
Almost two-thirds (60%) of those who answered reported having children, a markedly higher proportion than those reporting a co-habiting relationship.
The age distribution in 2010 11 compared with that in 2009 10 was characterized by a markedly higher proportion of children < 2 years of age and a lower proportion of children 10 14 years of age.
When compared with EST surveys in other metazoan tissues (e.g. various mouse [ 35], pufferfish [ 36] and human [ 36, 37] proteomes), a markedly higher proportion (~twofold) of the genes expressed in the abalone mantle encode secreted proteins.
N+ subjects defined by adjusted hippocampal volume alone were slightly older, performed worse on the MMSE and AVLT at baseline, declined more over time on the AVLT, and had a markedly higher proportion of males than N+ subjects by other definitions (Figs 3 and 4).
