The phrase "a considerable proportion of the sample" is correct and usable in written English.
It can be used when discussing research findings or statistical data to indicate a significant part of a group being analyzed.
Example: "In our study, a considerable proportion of the sample reported experiencing anxiety during the pandemic."
Alternatives: "a significant portion of the sample" or "a large fraction of the sample."
A considerable proportion of the sample consisted of pensioners and retirees (41.5%), and adults with a low level of education (48.7%).
A considerable proportion of the sample was retired (43.5%), which is not surprising as the average age of the sample was 62.3 ± 12.53 years.
The notable ceiling effect in the heart symptoms subscale of the Cardiac Module is understandable in a mixed population of children with different heart disease severity, where a considerable proportion of the sample do not have a severe condition which would be expected to influence markedly their daily lives.
Other work [ 26] observed that although in S. cerevisiae and bacteriophage T7 co-expression and protein-protein interaction are related, self-interactions cannot be tested by correlation between expression profiles which notably represent a considerable proportion of the samples.
For a considerable proportion of the total sample, drinking was a regular part of their lives, with 21% saying they drank four or more times a week and a further 21% drinking two to three times a week (Q1).
This may be explained by the fact that a considerable proportion of the current sample also had cognitive impairment or dementia, in which concentration difficulty is a common symptom.
A considerable proportion of these samples showed a close similarity to the Central Asian HIV-1 variants on the phylogenetic tree but formed a separate monophyletic branch [ 16].
In a study by Denève et al.55, comparisons of CTC counts between peripheral and mesenteric blood samples from patients with colorectal cancer confirmed that a considerable proportion of the viable CTC population seems to be filtered and trapped in the liver.
