"based on a proportion of" is correct and can be used in written English.
It is typically used to indicate that something is calculated or determined using a certain percentage or ratio. Example: The price of the product will be determined based on a proportion of the cost of production.
Managers earn fees, based on a proportion of assets under management.
Britain's new Health Service We suggest a system of competing social insurance schemes, with premiums based on a proportion of total income and paid by individuals rather than companies.
With the cost of raising the children already taken into account by lenders, child maintenance payments are based on a proportion of the other parent's salary, currently £31,600 for men and £24,475 for women according to PayScale.com, and can form a significant part of a single-parent household's income.
They suggest a height of around 3.3 m based on a proportion of ca. 1 6.
Imputation of genetic variation based on a proportion of sequenced samples is feasible.
Furthermore, overhead costs were allocated based on a proportion of labor costs.
The sample size was defined based on a proportion difference of 20% with a power of 0.8, allowing for 10% of attrition.
The sample size was 403 participants based on a proportion or prevalence of 50% [ 9], with a non-response rate of 5% based on the response rate of a pilot test done in this study.
The cost savings predicted in this study are based on a high proportion of women (almost 7 of 10) undergoing an induced abortion, with fewer continuing to delivery.
The central component of the intervention in all arms is a tailored telephone consultation with a pharmacist which varies across arms based on the: (A) proportion of patients offered the intervention and (B) intervention intensity, including follow-up frequency and cointerventions such as text reminders and interactions with patients' providers.
These guidelines recommend competency assessments of personnel who perform the tests, site visits to observe testing, and external quality assurance based on retesting a proportion of specimens by reference laboratories [ 5].
