The phrase "a further proportion of" is correct and usable in written English.
It can be used when discussing an additional amount or share of something, often in a quantitative context.
Example: "The study revealed that a further proportion of participants preferred the new product over the old one."
Alternatives: "an additional share of" or "a greater percentage of".
A further proportion of the study participants received no social support at all after incidents involving violence and aggression.
A further proportion of patients in both arms achieved stable disease (ECF 46.2% compared to FELV 45%).
Outbreaks represent <10% of all cases of Cryptosporidium infection (2, 3), although a further proportion of cases will likely be associated with undetected outbreaks (4).
A further proportion of patients will receive anti-TNF therapies in combination with more than one DMARD, which may or may not include MTX.
A further proportion of cases arise in the presence of a less striking family history, with later average age at onset and lower penetrance: familial breast cancer.
However, the high tumour response rates achieved with modern chemotherapeutics now enable a further proportion of patients with initially inoperable disease to be converted to an operable status and undergo liver resection with curative intent.
Effective cross-protection involving these types could prevent a significant further proportion of both low- and high-grade abnormalities, particularly among women below 30 years, although this needs to be borne out in ongoing clinical trials.
Further, proportions of HPDA spermatozoa remained stable throughout this period while the HNDA subpopulation showed a significant increase (P<0.001) from the start to the end of incubation.
Moreover, a further 20% proportion of patients has complex conditions requiring subspecialty medical or surgical care.
Further, a proportion of the planned CSs performed out of office hours might have been classified as non-planned CS births.
