The phrase "an extremely low proportion" is correct and usable in written English.
It can be used when discussing statistics or data to indicate a very small percentage of a whole.
Example: "In the survey, only an extremely low proportion of respondents reported feeling satisfied with the service."
Alternatives: "a very small percentage" or "a minimal fraction".
Ice hockey has an extremely low proportion of African-American participants; over 95% of National Hockey League players are Caucasian.
Such an extremely low proportion of funding has seriously impeded the development of ECE in China.
The dusty veils of material also contained an extremely low proportion of carbon, which is similar to what is found with Earth and the other rocky planets that orbit closest to the sun.
Yet, this study does not take into account asymptomatic infections, but they are thought to represent an extremely low proportion (5%) [3] when compared to other arbovirosis such as dengue (80%) [9], [10].
For severely septic patients, using the criteria of APACHE II score > 24 and >1 OF for suitability of treatment with drotrecogin alfa resulted in an extremely low proportion of patients who were eligible for therapy.
[ 3] recently described a fraction (some 4%) of sicle cells from human beings with sicle cell anemia and an extremely low proportion of normal red cells that appeared to be of the low-K+, high-Na+ type.
As a consequence of the extremely low proportion of interventions for hip fracture in the elderly within 48 hours in most facilities, the regional authority decided that hospitals with performance results below a given standard would be penalized economically by a reduction in fees corresponding to specific Diagnosis Related Groups (DRGs) [ 49].
Highlighting the extremely low proportion, the Plaid Cymru MP Elfin Llwyd, a member of the Commons justice committee, said: "I and others were assured that this application procedure would apply.
The extremely low proportion of medical students reporting GP/FM among their specialty choices revealed a disappointing fact about the status of GP/FM in Greece.
